7/8-Inch Drive, x 6 Point Super Strength Non-Marring Impact Lug Nut Sockets can help remove lug nuts on most of vehicle wheels. Durability: Constructed from high quality Chromium-molybdenum (Cr-Mo) steel with precision forging and heat treatment which makes the socket durable and long-lasting. Long-Life Time: Over 2500+ life cycles before failure based on a 390 ft/lb Torque Test; Meet or exceed ANSI standard. Multiple designs: Hollow core design for longer lug nut; Non-Marring Sleeve protect the rim and the top of lug nut; Strong Sleeve: PP+TPR Sleeve is oil resistant, weathering resistant (-40 to 176 ˚F), and more flexible than regular PT material to improve the broken issue. Easily identify: Color Sleeve and Laser etched for easy identification.