MRJLK 33mm Axle Cover Chrome ABS Flat Top Combo Kit with 33mm Thread-on Lug Nut Covers 2 Front and 4 Rear Axle Wheel Covers and Removable Center Caps for Semi Trucks ABS Axle Hub Cover Kit for Semi Trucks- 2 Front 4 Rear Truck Wheel Covers and 60pcs 33mm Thread-On Lug Nut Covers, Removable Flap Top Hubcaps Compatible for Semi Trucks, Trailers Built by ABS Plastic and Chrome Plated Shine Finish Universal Fits Most 10 Holes 11 1/4" Bolt Circle for 20" 22-1/2" and 24-1/2" Wheels Full Kits Include 2 Front Axle Covers, 4 Rear Axle Covers, 60 Thread-On Nut Covers, 6 Plastic Gaskets, 1 Installation Tool Easy Installation with Removable Center Caps Make Sure The Exposed Thread of Wheel Bolts Required At Least 1/2" of Thread