Chumia 30 Pcs High Hardness Titanium Diamond Chainsaw Sharpener Stone Bit Bulk Chain Electric Chainsaw Sharpening Wheels Kit 3 Size Plated Grinding Tool, 5/32, 3/16, 7/32 Inch (Pink)

I started using an electric chainsaw sharpener last year after decades of filing by hand. I am very good at sharpening by hand. However, with a 24" and 20" chainsaw that I use a lot, it had become very time consuming to sharpen them. I switched to an electric sharpener to sharpen the blades after each use and it has cut down the time required significantly. This set has all the sizes you would typically need. I have a small pole saw, Husqvarna 440 20", and a Husqvarna 455 Rancher 24". The three sizes in this set sharpen each of these saws. The quality is great and you get good use out of each bit.

These work great! Quick and easy saw sharpening. Only negative is you can force down on the hard due to it wearing them out quickly, you just slide them back and forth very gently. 24” saw sharpened in ~5 min.

They work good like I had hoped, but they don't last as long as expected.

Worth every cent. Bring a drummer and a small DC to ac inverter for in the woods sharpening. They are disposable, you'll get a couple sharpenings out of each stone at most. But for the price it's worth it.

Very nice. Hold up well,compliments table settings. K,F, and S. Gold

Ive used 5 different sharpeners so far through the years. This style hands down offers the sharpest chain that exceeds new chain in cutting speed. If you want a perfectly sharpened chain, it will often require two of these stones to do the job. They wear very fast but do a nice job. 5/32 is the right size for .325 chain. I know the math says 3/16 but if you lay the stone in a new chain 5/32 fits perfect, 1/16 will change the shape and waste metal that shortens chain life. Im still looking for a better 5/32 stone, i dont think this is it.

So far these are working fine using my dremmel , I have sharpened 2 chainsaws, seams to be holding up. Time will tell

High hardness? Not so much. Used 3 of them to sharpen 2 14" chainsaw blades. Grits wore off pretty quickly and the chainsaw blaid gorges grooves in the shaft.

Tried on two different chains .Worked well

Moi j’ai acheté pour limé les chaines de chainesaw puis sa fonctionne mais ils use vite par contre…

They work pretty good. I use them in my rotary tool and one will last for about 3 sharpenings before it gets too small in diameter, but good for the money.