Electric sander Sure Sharp 12V Oregon

Grinder, 12V Electric Sure Sharp Includes both a 12-volt car adapter and battery clips for convenient use anywhere. Includes one each of 5/32" (4.0 mm), 3/16" (4.8 mm) and 7/32" (5.5 mm) grinding stones and a socket wrench. Easy sharpening angle adjustment for accuracy Sharpens any round shaped 1/4", 3/8" low profile, .325", 3/8" or .404" chain A powerful motor that runs at an optimum 25,000 rpm. Shank lock feature makes it easier to change stones. Replacement grinding stones available here.