Specification Brand : APEX BulletPoint1 : American pattern round chainsaw file BulletPoint2 : Round shape, smooth cut BulletPoint3 : Tighten tension on chain to firmly support cutters when filing BulletPoint4 : File from inside to outside of cutter BulletPoint5 : Place file against bevelled cutting surface of teeth 20° to 45° with saw Color : Clear CompatibleMaterial1 : Acrylic CompatibleMaterial2 : Glass ExternallyAssignedProductIdentifier1 : 0640025636794 ExternallyAssignedProductIdentifier2 : 640025636794 ItemName : Nicholson Carded Files ItemPackageDimensions_Height : 1 inches ItemPackageDimensions_Length : 5.1 inches ItemPackageDimensions_Width : 5 inches ItemPackageQuantity : 5 ItemTypeKeyword : hand-files Manufacturer : Nicholson Material : Acrylic,Glass MeasurementSystem : Inch ModelNumber : 21853 NumberOfItems : 5 PartNumber : 01888 ProductDescription : American pattern round chainsaw file. Round shape, smooth cut, straight tang. Tighten tension on chain to firmly support cutters when filing. File from inside to outside of cutter. Place file against bevelled cutting surface of teeth 20° to 45° with saw. Follow saw manufacturers' specifications. Sharpen all left hand cutters on one side of chain. Then move to the other side and file all the right hand cutters. Check depth gauge height every 2 or 3 sharpenings. Height between cutting teeth and depth gauge is between .020" to .030". 8" Length. ProductExpirationType : Does Not Expire ProductSiteLaunchDate : 2014-12-13T19:21:46.795Z Size : 1 Inches Width x 60 Yards Length SupplierDeclaredDgHzRegulation : unknown SurfaceRecommendation : Glass UnitCount : 1