Specification Brand : ZEZEFUFU BulletPoint1 : 6PCS 5/32 Grinding Stone Tools is used for 12V Chainsaw Chain Sharpener. BulletPoint2 : Can be used to sharpen carbide (tungsten) chain. BulletPoint3 : Faster cutting and high durability. BulletPoint4 : Made of reliable quality material, long service life. BulletPoint5 : Stone size: About 4.0mm (5/32) IncludedComponents : 1 ItemName : 6Pcs 20mm Length 5/32 Grinding Stone Tools 12 Volt Chainsaw Chain Sharpener Kit Replacement ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 3 centimeters ItemTypeKeyword : chain-sharpeners Manufacturer : ZEZEFUFU NumberOfItems : 1 PartNumber : JUSE703800000 ProductDescription : Detail: 6PCS 5/32 Grinding Stone Tools is used for 12V Chainsaw Chain Sharpener. Can be used to sharpen carbide (tungsten) chain. Faster cutting and high durability. Color: As Pictures Show Stone size: About 4.0mm (5/32) Usable material area length: about 20mm/0.79" Shaft diameter: about 2.95mm