ITEM NAME:5pcs Gears Motor Gears Without Steel Brush [15T 17T 19T 21T 23T] 48DP RC Car Description: 48DP ï ¿ 3.175mm 15T-23T Pinion Motor Gear Easy installation and long service life, hard anodic oxidation of gear surface, anti rust treatment of gear surface Applies to 1/10 RC model car 5mm shaft brushless brush motors The holes are all positive tolerances, 0-0.03, M3 fixed screw holes Teeth: 15T 17T 19T 21T 23T Material: 45 Steel Size Chart: 15T: ï ¿ 3.175*ï ¿ 9.01*9mm RoHS 17T: ï ¿ 3.175*ï ¿ 10.07*9mm RoHS 19T: ï ¿ 3.175*ï ¿ 11.13*9mm RoHS 21T: ï ¿ 3.175*ï ¿ 12.19*9mm RoHS 23T: ï ¿ 3.175*ï ¿ 13.25*9mm RoHS Package Includes: 1 Piece 48DP 15T Pinion Motor Gear 1 Piece 48DP 17T Pinion Motor Gear 1 Piece 48DP 19T Pinion Motor Gear 1 Piece 48DP 21T Pinion Motor Gear 1 Piece 48DP 23T Pinion Motor Gear 5 Pieces M3 Screws Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement, there may be 1-2mm error in size. SKU: DMO0015896461010309.48DP ï ¿ 3.175mm 15T-23T Pinion Motor Gear. 1 Piece 48DP 15T Pinion Motor Gear. 1 Piece 48DP 17T Pinion Motor Gear. 1 Piece 48DP 19T Pinion Motor Gear. 1 Piece 48DP 21T Pinion Motor Gear. 1 Piece 48DP 23T Pinion Motor Gear.