Blunt harness needles fanned out beside waxed thread and a pre-punched strip of vegetable-tanned leather on a workbench.
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Aiskaer Stitching Punch Set Review: What a $10 Chisel Set Gets Right and Wrong

ByPeter Joeseph 'Briefcase Maker' Kalafatis

Four diamond chisels, a velvet bag and a price below most single premium irons, judged from listings, buyers and forum owners.

The Aiskaer stitching punch set is a four-piece diamond chisel kit sold for about ten dollars, and the useful question about it is narrow: will it punch clean, evenly spaced stitch holes well enough to learn on, or does the saving come back as torn leather and bent prongs? This review draws on retailer specifications, customer comments, Leatherworker.net threads and an independent comparison article, not on hands-on testing. The sources describe a tool that is sharp out of the box for many buyers, inconsistent in its listings, and capable of breaking teeth, with a fix for most of its faults that costs little more than sandpaper and time.

Video: Which Stitching Tool is the Best?! (Leather Hand Stitching Tool Comparison), from Maze Leather on YouTube.

What the listings say comes in the box

The specifications agree on the prongs and disagree on the steel.

Hands threading a tapered waxed thread through the eye of a blunt harness needle.

The 5 mm version covered here comes as four chisels with 1, 2, 4 and 6 prongs, packed in a plastic box with a velvet bag and an instruction sheet, according to a Desertcart listing for the 5 mm set. That listing gives a handle length of 100 mm, a weight of 2.4 ounces and a rust-preventive coating. It also contradicts itself on material: the details section says alloy steel, while the title and description say white steel. A listing for the 4 mm version repeats the same split.

WoodArtSupply’s listing of the 4 mm set gives more detail than most. It puts the prong width at about 2 mm and the tool length at about 10 cm, and claims the white steel is “non-inferior” to stainless, which is a seller’s statement with no hardness figure behind it. The same listing says the tools ship coated in rust-preventive oil that should be wiped off before use, that chisel teeth are consumable, and that owners should strike perpendicular to the leather, tap lightly at first, work over a rubber or soft pad, and oil the tools for storage. An eBay listing for the 4 mm set lists the material as alloy steel, at $14.18.

At 5 mm spacing the set punches about six stitches per inch, using the conversion in Weaver Leather Supply’s chisel selection guide, which pairs that spacing with medium-weight goods such as handbags. Anyone making wallets or small goods would normally look at the 3 or 4 mm sets instead.

The Amazon listing showed 4.6 out of 5 from 5,395 ratings in October 2026, at $9.99 and in stock.

What buyers and forum owners say it gets right

Sharp points, a clean cut and a price that makes mistakes cheap.

The most consistent praise is about sharpness. A buyer review on the Desertcart 5 mm listing, from someone new to leatherwork who used the chisels on a hat, called them “Very sharp” and said they go “thru the leather with absolutely no issues.” A second reviewer on the same page described a nice clean cut and smooth tines that come out of the leather easily, and wrote that the tools felt higher-end than the price.

Forum owners say similar things in plainer terms. In a 2021 Leatherworker.net thread on when to punch stitch holes, member Loudcherokee reported good results from Aiskaer sets bought on Amazon in 3, 4 and 5 mm, and the thread’s starter, Dogfisher, ordered the 4 mm set for $11 to see whether its thinner prongs suited him better than what he had.

The most striking comparison comes from a 2019 sale listing on Leatherworker.net. Member YinTx, selling a complete run of twenty Aiskaer irons in 3 to 6 mm, wrote that their teeth were “better polished than the ones on the Blanchard” and said the angle and spacing were similar to a Vergez Blanchard iron. A seller describing his own goods is not a neutral reviewer. Even so, the comparison is specific, and it comes from an owner of both.

The Maze Leather blog’s guide to leather stitching tools makes the general case for this class of tool. Its author names diamond chisels the best overall choice for ease of use and price, and calls packs at roughly $12 to $50 “very inexpensive for a tool that can last you many years.” The same article says diamond chisels “can punch through a thick layer of leather” and leave a slanted hole that sets the thread on an angle, which is the look most people associate with a saddle stitch.

Broken teeth, rough tines and other faults

The complaints are about durability, finish and the back of the leather.

Macro view comparing the rounded tips and small eyes of three harness needles of different thickness.

The same 2019 sale post that praised the polish also disclosed damage. YinTx listed broken teeth on the 10-prong and 2-prong irons of his 3 mm set, which is the clearest documented failure of Aiskaer chisels found in any source. The post does not say how the teeth broke, whether from a hard surface, a steel hammer or a twist on the way out. WoodArtSupply’s own note that “chisel teeth are consumable” reads differently after that.

Broader complaints about inexpensive imported chisels run the same way. In a 2020 holster thread on inexpensive diamond chisels, chuck123wapati warned that cheap Chinese-made chisels “bend or break off” and are “not polished,” which makes them hard to pull out of heavy leather. That remark is about the category, not Aiskaer by name, and it is the opposite of what the Desertcart buyers reported about smoothness. Both can be true if finish varies from batch to batch.

Removal is the most common practical gripe. In a 2017 thread about a cheap 4 mm chisel set, the original poster, Sanch, praised the diamond holes but said the chisels needed some effort to get back out of the leather. The brand of that set is not named, so it stands as a report on cheap chisels in general.

The Maze Leather article adds a fault that applies to diamond chisels at any price: they can fray the leather on the underside where the prongs exit. Working over a firm pad and keeping the tool upright, as the WoodArtSupply listing advises, are the usual answers.

The retail record has its own weakness. Of the reviews on the Desertcart 4 mm page, none was about the chisels; they praised shipping, the platform, or a sheath that is not part of this product. Retail star counts for a ten-dollar tool sold across many storefronts can carry reviews of a neighbouring listing, which is a reason to read the comments rather than the average.

Against Weaver’s diamond set at nearly three times the price

Two entry-level kits with the same prong counts and a gap in documentation.

The natural comparison is the Weaver Leather Supply diamond stitching chisel set, which Weaver sells from $26.50 in the same 3, 4, 5 and 6 mm spacings. Larger sizes share the 1, 2, 4 and 6 prong count. Each size gets a colored band. Weaver states carbon steel as the material, shows about 4.35 out of 5 from 472 reviews on its site, and offers the same beeswax advice found across forum threads.

On paper the two kits are close. The differences the sources show are about who stands behind them. Weaver is a single named seller with its own review base; Aiskaer appears under several storefronts with conflicting material descriptions and reviews that sometimes belong to other products. For a first set, that matters less than it sounds. For a buyer who wants to return a chipped chisel, it may matter more.

Neither set is described in any source as a premium tool. Both sit in the price range the Maze Leather article treats as inexpensive. The difference in price, about seventeen dollars, buys a more consistent paper trail rather than any documented gain in steel.

Making a cheap chisel set behave

Polish the tines, wax the prongs, soften the blow and back the leather.

Two blunt harness needles crossing through one punched hole in a leather panel held in a stitching clam.

Forum reports on cheap chisels keep coming back to finish, and the fixes they describe are bench work. In the 2017 thread, member Bigfoote polished a cheap set with a fabric wheel and green compound on a rotary tool, and said that about half an hour turned “pretty mediocre chisels into awesome ones.” He reported being able to pull the tool from two layers of 4 oz leather with one finger afterward.

A 2018 thread on polishing stitching tools describes a slower route. DJole sanded the flats with fine paper, then moved to sharpening stones and a strop, and reported that the chisels entered and left the leather much better. Another member, zuludog, wrapped progressively finer sandpaper around lollipop sticks to reach between the tines, and philg9 suggested a metal polish on a strop for the last pass.

Lubrication is the cheap habit that helps every chisel. Weaver recommends beeswax on the prongs, and posters in the 2017 thread pushed the points into a block of wax before each strike. Holding the leather down with a wooden block when the chisel comes out, a tip zuludog credited to another maker in the polishing thread, keeps the piece from lifting and stretching the holes.

Given the broken-teeth report, it also makes sense to strike with a rawhide or poly mallet rather than steel, to keep the chisel upright, and to avoid levering it sideways to free it. Running a test row on offcuts first, the habit set out in Practicing on Scrap Before the Good Hide, shows whether a new set tears, frays or sticks before it touches a good panel. For beginners pricing out a whole starter bench rather than one chisel set, Save Time and Money with a Complete Leather Craft Tool Kit covers the broader kit question.

Aiskaer Leather Stitching Punch Set, 5 mm: The listing this review covers, showing 4.6 stars from 5,395 ratings at $9.99 when checked on October 19, 2026. See it on Amazon (affiliate link).

As an Amazon Associate I earn from qualifying purchases. A commission may be earned if you buy through this link, at no extra cost to you.

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