Specification Brand : FTVOGUE BulletPoint1 : Using brass material, high hardness, and long‑lasting. BulletPoint2 : This 30 tooth, MOD 0.8 gear can be used with any MOD 0.8 transmission, and the true manufacturer is about integration and reuse. BulletPoint3 : If D‑bore gears just won‘t fit your motor or axle that you've chosen to use in your project, check out these 6mm round bore gears. BulletPoint4 : Using a second 30 tooth gear will achieve a compact 1:1 transmission ratio at a center distance of 24mm. BulletPoint5 : When building patterns, the most common partner for this type of gear is another 30 tooth gear or a 90 tooth hub gear. BulletPoint6 : Package Contents:1 x Roller Chain Sprocket,1X203KRR2 Bearing Color : Gold DriveSystem : Spline ExteriorFinish : Gold Plated ExternallyAssignedProductIdentifier : 00850041093116 ExternallyAssignedProductIdentifier1 : 211831222947 ExternallyAssignedProductIdentifier2 : 046843815357 ExternallyAssignedProductIdentifier3 : 0046843815357 ExternallyAssignedProductIdentifier4 : 0211831222947 FinishType : Unfinished GradeRating : industrial IsOemAuthorized : 1 ItemName : High Hardness 30 Teeth Sprocket 6mm Center Hole Brass Gear Industrial Robot Hardware Accessory for Industrial ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 4 centimeters ItemPackageDimensions_Width : 3 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : roller-chain-sprockets Manufacturer : FTVOGUE Material : Brass MetalType : Brass ModelNumber : FTVOGUEayehivtx3b NumberOfItems : 1 NumberOfPieces : 2 NumberOfRows : 1 NumberOfTeeth : 64 PartNumber : FTVOGUEayehivtx3b ProductDescription : Specification: Item Type: Industrial Robot Parts Material: Brass Product Model: 4301-0006-0030 Product Specifications: 6mm Round Hole, Modulus 0.8 Center Hole Diameter: Approx. 6mm / 0.24in Outer Diameter: Approx. 25.6mm / 1.01in Pitch Diameter: Approx. 24mm / 0.94in