•Chrome Molybdenum Steel
•Made of high hardness chrome molybdenum steel for durability
•All the bolt extractors are precision engineered to easily extract damaged bolts, nuts and screws even if they are stripped, rusted or frozen
•Tight grips and won’t let go, the internal thread design provides excellent torque, the more you turn, the tighter the socket grips
•13 pieces 3/8 inch drive bolt & nut remover comes with 3/4"(19mm), 11/16", 17mm, 5/8"(16mm), 9/16"(14mm), 13mm, 1/2", 12mm, 7/16"(11mm), 10mm, 3/8", 5/16"(8mm), 1/4",1 piece hex shank socket adapter
•Heavy duty blow molded case lets all the bolt remover stay organized