[Compatible with]For Corghi models: A9220, A9222, A9824, A9830, A2024, A2030, and older models | models: MTS40 MTS830, MTS430 | Hunter TCX Series: TCX50, TCX51, TCX53, TCX56, TCX500, TCX505, TCX515, TCX535, TCX550, TCX565 [Replace part number]SB-4-120129B | 450310 | RP11-8-11400327 | RP11-8314813 | AE450327 [Efficient work]Mount demount allows the tire to remain in the center of the wheel drop when installed, keeping the tire at the optimal tire installation angle without the need for additional accessories. [High quality ABS material]protects it from scratches, dents, and cuts caused by metal demolding heads, while plastic duckbeads metal contact with the wheels. Colour:Black Material:ABS Package Contents: 2 x Tire Changer Duck 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.