"I used these stones to sharpen my chains on a couple of my saws. they work very well when you use a variable speed grinder. if the rpms are too high the stones will fly apart if they are out of round."... (read full reviews)
"I bought these in march with a new tool. I used the one that came with the tool dozens of times and did not need the ones I ordered until Dec. As soon as they touch the chain they come apart. I am"... (read full reviews)
"What a disappointment. I knew I wasn't getting a pro-grade tool at this price, but I thought I could get a season out of it and save the 6 bucks the power shop charges. Nope. First chain, the motor"... (read full reviews)
"I discovered the first chain I took apart contains rivets that are larger in diameter in the middle of the rivet and in the middle link. there isn't , in my opinion, any way to push them out as"... (read full reviews)
"Started using last shipment (5 packs of five)...all stones out of round...wear out and fly apart in seconds. Over the years they worked well and were economical...what on earth happened. You should"... (read full reviews)
"if I could give this product a negative number I would!
it took 5 stones to get one 20 inch chain sharpened. I can't believe a company would put their name on this product.
out of one pack 2 stones"... (read full reviews)