1/2 Inch X 18 Inch Sanding Belts, 4 each of 40/60/80/120 Grits, Blue Belt Sander Tool for Woodworking, Metal Polishing, Zirconia Sanding Belts (16 Pack)

used for wood not for metal good value

Belts work great. Grinding life was a bit short when grinding steel. I had a a couple break when the belt wasn't square to the work price

Need better bonded seams.. so that I could get the full use of the grit capacity.. lots of blown apart belts that i could still be using..

Firstly upon order I was not confident to what was being received. The title states zirconia but the description states silicone carbide.So while i am inclined to believe these are zirc belts, they have a fundamental flaw, poor bonding of grain to cloth.As others state they don't seem to last long, but here is the specific reason for this.The main promise of a zirc belt is that will last longer by periodically fracturing and exposing a new cutting edge, but these belts will lose the entire grain long before ever wearing from fracture.This leaves you with a rather quickly exhausted belt. The grains that remain convince me that the belt would have had much more life if the rest was not laying on the floor likely in whole pieces.See pic to comparing well worn AO belt that kept it's substrate, with these that just loose it.So after the second belt I knew this wasnt a fluke but just a sub par product. And as you can get similarly proceed name brand zirc belts I can't even call it a value buy.Another symptom of poor bonding is that apparently the force it takes to fracture most of the grains is more than it takes to separate the grains from the belt, therefore the grains you are left with are the ones that were easily rounded over making the belt appear to be dull. you need to be able to hit zirc hard and fracture it not merely round a few corners over.2 stars for as at least they appear to be zirc and they don't jump off the tool easily.

thease belts hold an edege for a long peroid, well balanced,great buy

These are SO much better than the red belts. These take off whatever you're sanding/grinding easy.

The belt fit well and lasted

Great lasting, good durable belts.

No resisten demasiado su uso en la lijadora porque terminan cortandose justo donde estan empalmadas.

I was worried these might be low quality but was pleasantly surprise

Used for wood working belt remains clog free and lasts for a lot of use

If you just purchased a device that uses these belts and are aa little unsure what is best for your applications - this package is the one. I settled on more 80's...

Très content beau petit kit