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 2M 24Teeth BulletPoint3 : Tooth surface treatment: high frequency quenching BulletPoint4 : Pressure angle: 20 degree BulletPoint5 : note: There are errors in manual measurement,the size are for reference only. Color : 24 Teeth ExternallyAssignedProductIdentifier : 8306070475550 ItemName : TMP1105 1PC Convex Gear Pinion 2Module 24Teeth 10mm Hole Carbon Steel Convex Gear Pinion (Hole Diameter : 10mm, Number of Teeth : 24 Teeth) 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 2M 24Teeth Tooth surface treatment: high frequency quenching Pressure angle: 20 degree note: There are errors in manual measurement,the size are for reference only. ProductSiteLaunchDate : 2021-09-10T05:31:48.007Z Size : 10mm Style : Manual UnitCount : 1 UnspscCode : 52140000