Description: 32DP 5mm 19T-21T Pinion Motor Gear for 1/8 RC car brushless brushed motor Durable metal construction for long-lasting performance Rust-proof treatment on the surface of gears A M4 set screw has been added to each pinion gear Teeth: 19T 20T 21T Suitable shaft diameter: 5mm Material: Metal Size Chart: Height: Approx. 14mm/ 0.55inch Tip Diameter 19T: Approx. 16.7mm/ 0.66inch 20T: Approx. 17.5mm/ 0.69inch 21T: Approx. 18.3mm/ 0.72inch Package Includes: 1 Piece 32DP 5mm 19T Pinion Motor Gear 1 Piece 32DP 5mm 20T Pinion Motor Gear 1 Piece 32DP 5mm 21T Pinion Motor Gear 3 Pieces M4 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