Specification Brand : TMP1105 BulletPoint1 : The gear is made of 45# steel, and the surface maybe with rust on some hardened gears. BulletPoint2 : Package List: 1pc Spur Gear 1.5M 16Teeth BulletPoint3 : Gear inner hole tolerance is positive 0-0.03, with locking hole. BulletPoint4 : Batches of different parameters may change slightly, please prevail in kind. BulletPoint5 : Links are only the price of the gear, if you need to support the rack, you need to place anther order. ExternallyAssignedProductIdentifier : 8306070475048 ItemName : TMP1105 1.5 Modulus 16Teeth Spur Gear with Stage Metal Motor Boss/Convex Gear Inner Hole 6/8/10/12mm Gear Rack Transmission (Hole Diameter : 10mm) ItemPackageQuantity : 1 ItemTypeKeyword : rack-and-pinion-gears Manufacturer : 唐铭鲆544162-US Material : Metal NumberOfItems : 1 PartNumber : 唐铭鲆544162-US ProductDescription : The gear is made of 45# steel, and the surface maybe with rust on some hardened gears. Package List: 1pc Spur Gear 1.5M 16Teeth Gear inner hole tolerance is positive 0-0.03, with locking hole. Batches of different parameters may change slightly, please prevail in kind. Links are only the price of the gear, if you need to support the rack, you need to place anther order. ProductSiteLaunchDate : 2021-09-10T05:31:48.627Z Size : 10mm UnitCount : 1 UnspscCode : 26111500