Concerning this item Sturdiness: composed of heat-treated carbon steel that has been forged. Anti-corrosive: For effortless lifting, the 14-inch body length is chrome-plated. The majority of SAE and metric lug nut sizes are accommodated by four socket heads. Metric: 17 mm, 19 mm, 21 mm, 22 mm; SAE: 11/16", 3/4", 13/16", 7/8" Details about the product Technical information Package D