·This set is manufactured from drop-forged, heat-treated chrome molybdenum (CR-MO) steel construction, featuring with a corrosion-resistant black phosphate finish for durability and long-lasting performance.
·17 PCS 3/8" Dr. Bolt & Nut Twist Remover Socket Set come with 1/4", 7mm, 5/16"(8mm), 3/8", 10mm, 7/16"(11mm), 12mm, 1/2", 13mm, 9/16"(14mm), 9/16", 5/8"(16mm), 17mm, 11/16", 3/4"(19mm), a drill adapter and a 1/2" F x 3/8" M adapter.
·The internal thread features reverse spiral flutes that bite down for maximum gripping power, which can help you easily extract damaged bolts, nuts, and screws, even if they are stripped, rusted, or frozen.
·Permanently laser-etched high-contrast size markings and color-coded rings provide instant size identification, excellent visibility in all lighting conditions and prolonged durability.
·It comes with a heavy duty blow molded storage case for easy carrying. All tools meet or exceed ANSI performance standards. It comes with 1 year quality warranty.