▲ Specification: Color: gold, red, blue Weight: 746g Size: 1/2 inch drive they are 17mm, 19mm, 21mm CR-MO Socket Teflon Protection Wheel Each length: 77mm Material name: chrome vanadium steel ▲ Feature: -Different colors for easy identification. -The protective material is Teflon, not plastic. -Equipped with a practical storage box. -Protects the wheels and bolts of the car from damage. - Durable nylon sleeves on the outside of the sockets protect the wheels. ▲ Package included: 1 PC 1/2" Teflon Protective Wheel, 17mm, CR-MO Plug 1 PC 1/2"" 19mm Teflon Protector Wheel, CR-MO Bushing 1 PC 1/2" Teflon Protective Wheel, 21mm, CR-MO Plug