El Bandit0
Gold Member
- Joined
- Feb 4, 2013
- Messages
- 1,278
I believe they are made by 3M, known as micron lapping sheets. Double sided, color coded blue, green, yellow, pink. Grit goes down to .5 or .05 micron, not sure which. They do a fantastic job of mirror polishing edges, use like a strop. Looking to buy a small amount to replace my well-used set.