Oregon Sure Sharp Chainsaw Chain Sharpener & Replacement Stones

Ideal for occasional chainsaw users, this durable and economical tool makes hand sharpening easy. Includes both a 12V car adapter and battery clips for convenient use anywhere. Includes one each of 5/32" (4.0mm), 3/16" (4.8mm) and 7/32" (5.5mm) sharpening stones and a collet wrench. Simple sharpening angle adjustment guide for accuracy. Sharpens any round-ground 1/4", 3/8" Low Profile, .325", 3/8" or .404" chain. Shank lock feature allows easier stone replacement.