Specification Brand : GZYF BulletPoint1 : Specification: Outer diameter: 34.5mm ; Inner diameter: 11mm ; Thickness: 16mm ; Keyway width: 3mm ; Number of teeth: 20 teeth BulletPoint2 : Premium Quality: The mill tool is made from high quality materials, quality assurance. Sturdy and long service life BulletPoint3 : Great Function: Used to act as a mill tool. Works extremely well and has a long service life BulletPoint4 : Simple to replace: Easy to use and operate with no installation instructions BulletPoint5 : Package Included: 1/2pcsB008 Gear Color : 12 Teeth 2.3mm hole Department : Unisex Adult ExternallyAssignedProductIdentifier : 7333426823018 IncludedComponents : 1*Gear Motor 1*Speed Controller 1*English Manual ItemName : CNxinn10 Copper B08 Feed Worm Gear Turret Milling Machine Part Mill Tool Gold Gold 1pc ItemPackageDimensions_Height : 2 millimeters ItemPackageDimensions_Length : 4 millimeters ItemPackageDimensions_Width : 4 millimeters ItemPackageQuantity : 1 ItemTypeKeyword : worm-gears Manufacturer : GZYF ModelName : XvuaTeIw ModelNumber : XvuaTeIw NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : CN01062GS11002-1_GZ PowerSourceType : AC ProductDescription : Fitment: 0