Made of High Quality Meterial, Stronger And More Durable, The Appearance Easy to use,Easy to replace Lower the center of gravity, climbing performance Weight: Steering Link: 13g12g/pcs Caster Block: 9.5g (Left and Right) Steering Block: 22g (Left and Right) Cover: 12g/pcs Suitable for: TRX4M 1/18 RC Crawler Car Colour:black Material:brass Package Contents: 2 x RC Car Steering Block 2 x RC Car Caster Block 2 x RC Car Axle Cover 1 x RC Car Steering Link 1 x Mounting Accessories Set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.