Jetech 42 Piece 3/8 Inch Drive SAE & Metric Impact Socket Set

Cr-Mo ALLOY STEEL - Cr-Mo impact socket features with added hardness, higher working temperatures, and corrosion resistance. Much stronger to stand greater impact force than chrome vanadium ones. COLD FORGING & HEAT TREATMENT - Greatly improve their performance with enhanced strength, increased durability, and extended lifespan. The black phosphate finish is for corrosion and wear resistance. RADIUS CORNER DESIGN - Provides an exact and snug fit, allowing for more torque to be applied and preventing slipping off. This helps to prolong the lifespan of both the fastener and socket by distributing force to the inwall. CONVENIENT STORAGE & TRANSPORTATION - The set comes with a portable storage case, making it easy to transport. The toolbox helps keep the tools organized after use, reducing the chances of them being lost or misplaced. ABUNDANT COMPONENTS - This comprehensive set includes an array of components, such as shallow sockets including 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4" and 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm; deep sockets including 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4" and 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm, 3/8" impact universal joint, and 3/8" impact extension bar 3".