Specification AgeRangeDescription : adult Brand : Geeyu BulletPoint1 : Type: 20-2GT-6 K/20-2GT-10 K BulletPoint2 : The Inner hole: 4/5/6 /6.35 8mm BulletPoint3 : Fit for Belt Wide: 6/10mm BulletPoint4 : Timing Pulley contact with the tooth side which minimizes the risk of the belt slipping.Accurate tooth surface of inner hole, less runout and more stable. BulletPoint5 : Used widely in 3D Printer,Milling machine, CNC engine lathe, gear shaper, hobbing machine, drilling machine or other machinery transmission occasions. Color : For Belt Width 6mm ItemName : ZHaonan-Timing Pulley 5PCS 2GT Timing Pulley, 20 Teeth, Bore=5/6/6.35/8mm, Fit Width=6/10mm 2GT Timing Belt, GT2 Pulley, 3D Printer Parts(for Belt Width 6mm,Bore 6mm) ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 15 centimeters ItemPackageDimensions_Width : 12 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : timing-pulleys Manufacturer : geyu Material : Metal ModelName : FEBSAAIE-FORBELTWIDTH6MM-BORE6MM ModelNumber : FEBSAAIE-FORBELTWIDTH6MM-BORE6MM NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : FEBSAAIE-FORBELTWIDTH6MM-BORE6MM ProductDescription : Specification: Material: Aluminum alloy Color: as picture shows Fit for Belt Wide: 6/10mm Application arrange: 3D printer The Inner hole: 4/5/6 /6.35 8mm Tooth quantity: 20T Weight 70g