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 14Teeth 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. Color : 32 T With 12 T ExternallyAssignedProductIdentifier : 8306070475123 ItemName : TMP1105 1.5M 14Teeth Spur Gear with Stage Metal Motor Boss/Convex Gear Inner Hole 10mm Gear Rack Transmission (Hole Diameter : 8mm) 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 14Teeth 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 : 2021-09-10T05:31:43.351Z Size : 8mm UnitCount : 1 UnspscCode : 52140000