|It’s a grinding stone dresser.|
A tool I use a lot is a bench grinder. This has two stones wheels (coarse & fine) for grinding metal. The stones had become rounded with use. They still grind ok but not for things that need a flat face like sharpening drill bits. The dresser grinds down the grinding stone.
I actually bought a pair of new wheels but saw this for £1.99 so thought it was worth a try. I wasn't hopeful. The head and shaft are far from a right angle indicating that this is not a precision made item. Quality dressers use diamonds set in tungsten carbide but I doubt I got that for the money.
Surprisingly it worked!
I didn't use a lot of force because I thought that this would destroy the tool. But light pressure produced a fair amount of dust as the wheel was ground down.
|Using the tool|