Specification Brand : Wisoqu BulletPoint1 : Sprocket and chain combinations are for creating drive systems that require long-range power . BulletPoint2 : For maximum performance under heavy load, the chain gear has three different specifications, which can be used with 0.250in for Zhouyu steel chain. BulletPoint3 : Adopt zinc alloy with good mechanical properties and wear resistance at room temperature. BulletPoint4 : 24-Tooth Sprockets are the necessary parts for the industrial robot. BulletPoint5 : By strict manufacturing process, it can perfectly match the industrial robot. Color : Black ExternallyAssignedProductIdentifier1 : 0669988667249 ExternallyAssignedProductIdentifier2 : 669988667249 FitType : Universal ItemName : 24-Tooth Sprockets, 2Pcs Zinc Alloy Toothed Chain Gear, 52mm/2in Drive Sprocket Kit for LEGO Robot, Toy Cars, Robot Arms ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 6 centimeters ItemPackageDimensions_Width : 6 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : roller-chain-sprockets Manufacturer : Wisoqu Material : Steel ModelName : Wisoquhz4k6xgcw9 ModelNumber : Wisoquhz4k6xgcw9 NumberOfItems : 1 PartNumber : Wisoquhz4k6xgcw9 ProductDescription : Specification: Item Type: 24-Tooth Sprockets Diameter: Approx. 52mm / 2in Thickness: Approx. 6.8mm / 0.3in Number Of Teeth: 24 teeth Quantity: 2pcs per pack Material: Zinc alloy Weight: 36.25 g / 1.3 oz(approx.) per tooth chain gear Weight: 79.5 g / 2.8 oz(approx.) per pack.