Descriptions: 1. Made of high-quality material to make the appearance more refined, can add of style and sophistication, giving it a more high-end and professional look. 2. transmitter hand wheel is an anti-slip design, with an anti-slip texture on the and a strong hand feel. 3. Remote Control Steering Wheel with Brake Disc Brake Caliper, make your N4B more . Specifications: Applicable to: FOR MT4/MT5/M12/ series FOR FUTABA 4PX/7PX/10PX series FOR NB4 series FOR KO EX Next FOR X9 series size: Outer ring diameter 49mm width 30mm Material: Metal colour: Package Contents: 4 x Transmitter Steering Wheel 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.