Compatible with Corghi models: A9220, A9222, A9824, A9830, A2024, A2030, and older models; MTS 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 Mount demount head allows the tire to remain in the center of the wheel drop during installation, maintaining the optimal tire installation angle without requiring additional accessories High quality ABS material protects against scratches, dents, and cuts caused by metal demounting heads; plastic duck heads prevent metal contact with wheels Color: Black Material: ABS Package Contents: 2 x Tire Changer Duck Head Note: Light reflection and different displays may cause the color in the image to vary slightly from the actual product. Measurement may vary by +/- 1-3 cm.