SE144-Piece Jeweler's Piercing Saw Blade Set - Precision Steel Blades in Various Sizes for Detailed Work, Fits 6-Inch Saw Frame, Ideal for Craftsmen, Hobbyists, and Jewelers

Works exactly as they should. Would purchase again.

Good blades. Inexpensive and cut metals well

I was very pleased with the assortment of blade thickness found in this variety package of saw blades. They are a standard size for jewelers saws as advertised and unlike some of the reviews I have seen there was no rust to be found. The wide range of sizes means that I have the correct saw blades for whatever thickness of jewelry metal I am cutting and I like to keep a few inexpensive saw frames around so that I can have a variety of blade sizes readily available without having to change blades as often and this inexpensive assortment allows me that luxury. As far as premature breakage I haven't had a problem once I perfected my sawing technique. If you saw improperly you are going to break blades even if they are expensive Swiss blades but they don't break often now that I am using my jewelers saw correctly and making certain to keep the blade lubricated with bees wax. They cut as straight and true as your saw frame and skill level allows.

I purchased these for making very fine and precise cuts in plastic and hard brass (using the 6" saw frame also purchased here.) I have only just tested them in this service, but they performed just fine. They even cut mild steel no problem (though dulling faster, I'm sure.)I didn't see the rust -- or experience the breakage -- that others have. Certainly they're somewhat brittle, being hardened steel (and I'm sure the temper varies given their low cost), but properly chucked up straight, and used straight, I think they'll last okay. They do have some residue -- likely just cutting oil and grindings that easily wipe off with your finger.Now the downsides, if you will: I miked every blade with a high precision mic, and the stock thicknesses vary wildly. I simply sorted them by thickness range, some of the ranges nearly overlapping, since my main concern is kerf width (the kerfs being wider than the stock thickness due to tooth offset.) In addition, different thicknesses are mixed within the bundles -- so if you care about kerf width, have your mic ready. The tooth counts also vary widely within a thickness group. The thinner blades are mostly 50-60 TPI (mixed.) I didn't find any 66 TPIs on the thinnest ones (4/0.) The 1s and 2s are mid-forties to about 50. The teeth range from dull to sharp under magnification -- but, as mentioned above, perform fine.Had I only received ten blades for this money, I would be squealing over inconsistency and general quality. Having received so many (I didn't actually count 'em, but there are a lot), this will work out fine for me.

There was only 1 coarse blade in the first batch I grabbed. So I went through the whole lot one by one. There was 1 of each of the 2 most coarse ones. Half of the rest only had half the teeth on the blade. After I had sorted out usable blades, they broke ridiculously easily. I switched back to an old blade and it cut easier and didn't break for the rest of the current project.

The set arrived and it is what I expected. I have the jewelers saw handle, but when I went to look for blades they were non-existent, so these are just replacements for tools I have had since college. I have medical issues which currently take presidense. If I get back to them I'll see if I can edit this report.

Great

These are pretty low quality, but adequate for basic tasks like making straight cuts in brass and copper. I see no reason to complain about them at such a low price. If you have never used this type of blade before, I recommend buying a pack of the good ones from Rio Grande so you have a baseline for comparison.