Specification Brand : Generic BulletPoint1 : Product Name : Helical Gear Set;Fit for : Boda 16 Electric Drill BulletPoint2 : Material : Metal;Big Ring Gear Size : 55 x 14 x 14mm / 2.2" x 0.55" x 0.55" (Outside Dia.*Inner Dia.*T) BulletPoint3 : Small Ring Gear Size : 39 x 10 x 8mm / 1.5" x 0.39" x 0.31"(Outside Dia.*Inner Dia.*T);Pinion Number : 8 BulletPoint4 : Pinion Gear Size : 39.3 x 14 x 43mm / 1.5" x 0.6" x 1.7"(Big Gear Dia.*Small Gear Dia.*H);Weight : 274g BulletPoint5 : Package Content : 1 x Helical Gear Set Color : Multiple Colors ItemName : Qtqgoitem Replacement Part 8 Pinion Helical Gear Set for Boda 16 Electric Drill (model: 742 d57 6ca e7b aac) ItemTypeKeyword : rack-and-pinion-gears Manufacturer : Qtqgoitem Material : Composite ModelNumber : 742d576cae7b5aacbbc9107ae9422f NumberOfItems : 1 PartNumber : 3b3f2b4f-f8ee-4c61e958ee134c ProductDescription : Replacement Part 8 Pinion Helical Gear Set for Boda 16 Electric Drill Features spiral .Bevel gears are useful when the direction of a shaft's rotation needs to be changed. This is a non-OEM product. ProductSiteLaunchDate : 2022-11-29T07:02:08.785Z Size : Small Style : Wire Collated SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 52140000