DURATECH Allen Bit Socket Set, 3/8'' Drive Torx, 21-Piece, Premium CR-V Socket and S2 Bits, Metric&SAE - Hangzhou Great Star Industrial Co.,LTD., DTMTBSS21

• 【Powerful Torque】Heated treated premium chrome vanadium steel sockets provide superior torque for greater turning power. Drop-Forged for a long lifespan and Chrome plated for rust resistance. Round corner design increases the contact surface with a ratchet wrench to get a tighter connection. 【Precision Bits】Bits are made of S2 alloy steel for superior hardness and toughness that reduce wear-outs and ensure longevity. Sandblasting finish protects bits from rust and corrosion. Chamfered ends allow smooth insertion onto fasteners and reduce the damage to edges. Meets and exceeds all ANSI specifications. 【Convenience】Sizes stamped markings and color grooves for easy identification. Organized in plastic rail set for easy carry and storage. There is no need to rotate sockets left and right, which may cause damage to the plastic rail. It's recommended that you use one hand to hold the plastic rail and the other hand to pinch the bottom of the socket, apply force to the opposite direction of the plastic rail, and pull out sockets vertically. 【Application】Works on cars, trucks, appliances, lawn equipment, machinery and other tasks requiring 3/8’’ Drive Hex or Torx/Star Torque bits sockets set. Many sizes choice provide more convenience. 【Socket Set Include】7-piece 3/8’’ Drive Torx Bit Socket Set (T15, T20, T25, T30, T40, T45, T50). 7-piece Metric Hex Bit Socket Set (3, 4, 5, 6, 7, 8, 10mm). 7-piece SAE Hex Bit Socket Set (1/8, 5/32, 3/16, 7/32, 1/4, 5/16 and 3/8 inch). Attention: Please use 3/8" ratchet handle. Using other size ratchet handle and adapter may damage the bit.