(2) Chrome Plastic Semi Truck Rear Axle Hub Cover Kits Pair of Chrome Rear ABS Axle Cover Kits with Removable Caps. Universal Fit, Fits Most (10 Hole) 11 1/4" Bolt Circle/Center Applications. Includes 33 mm Thread-On or 1.5" Push-On Nut Covers. Fits Most 20", 22 1/2", and 24 1/2" Wheels. Includes 1 Cover, 1 Cap, and 10 Nut Covers Per Kit. Made from plastic that is high-impact, light-weight and flexible. High chrome finish resists dents and nicks plus will never rust.