Leather Burnisher Bits 2-Pack for Rotary Dremel Tools – Pointed Tip and Multi Grooved Burnishing Tips Made of Solid Tropical Sandalwood Create Smooth, Clean Edges on Leathercraft Projects

After a few uses the wood ends spun off the shaft.

I bought these because i was tired of hand burnishing and figured that a rotary tool burnisher would be a lot nicer to use. They also seemed to be of a better quality than your typical bare, unfinished variety of wooden hand burnisher.The pieces I received looked good, but the longer spike shaped unit is a little off-center. When it's spinning on the rotary tool it oscillates a bit because of it. I usually just end up tightening and loosening the collet nut until I find a position where it is off-center the least.The spike shaped unit also has a poorly finished tip. It's flat with sharp edges, like the top of a traffic cone. I think this should be nicely rounded to use in tight areas. As it is it ends up leaving a scratch mark, while it burnishes.Both units are remarkably smooth wood. This is great for burnishing. However it means that if you use cement, say to hold two edges together while punching stitch-holes, the burnishers will tend to chatter on it and some of it will end up stuck to the burnisher. It's easy to remove, just use an eraser, but it's something you should be aware.And now how do they function as burnishers. Very well. Wet the area to be burnished, and you just barely "kiss" the edge with the burnisher. And that's about it. Like all burnishing, avoid strong pressure so you don't mushroom the edge and just be mindful so you don't burnish the wrong place. The downside of a rotary tool is although it works quickly, you can also make mistakes quickly. Practice on some scrap, it's really not difficult.Although I have a few different models on hand, I think this works best with my 'Hyper Tough' brand, 8 volt, cordless rotary tool. Easy to use as far as rotary tools go. There are some good videos on it if you search youtube for something like "hyper tough cordless rotary". There is a similarly priced Dremel 7700, but please avoid it....it's weaker and surprisingly worse quality.

it burnishes. one of them took a hot minute to get the shaft centered but hasn't needed adjusting since. works great in my Dremel and will scorch leather if not careful.

Works like you would expect. A lot easier than doing it by hand

When I first got these, first thing I did was chuck them in a Dremel to see if they spun true. Both did, but the pointy one seems to have bent a bit the first time I used it on leather. I put the other one in my drill press, with the shaft all the way inside the chuck. That one seems to be spinning fine. So, I guess I will only use the larger of the two.

used at about 20K RPM on dremmel, worked very well in testing. The key to getting a nice edge is moisten the edge with a finish agent (wax) or even water.

Pretty much what the subject says. As the shaft is not centered there is a wobble. It is still usable but not as effective as it would be if it spun true.

This is a great little set to help you speed-up burnishing. Ebony wood is well-finished and polished, and the profiles are enough to cover nearly all edges, holes, and facets you might encounter. The heads are perfectly balanced on the shanks (no wobbling). As I read in other reviews, where some users have encountered bent shanks, I've taken the advice to limit RPMs and I've had no problems with bent shanks (I'm also inserting the shank fully into the chuck, which helps to minimize the chance of bending the shanks). Make note of the size: these are smaller than hand burnishers, which is to be expected.