Jetech 7PCS 3/8 Inch Drive Hex Bit Impact Socket Set, Metric Size 4mm - 12mm

Founded in the 2000s, Jetech boasts a comprehensive range of tools with a strong focus on professional industrial-grade tools. We take pride in serving mechanics and users from over 60 countries and 5 continents. Jetech 7pcs 3/8in drive impact sockets hex bit set is designed for professional use with impact tools in construction or automotive industries. The Cr-Mo alloy steel is cold-forged and heat-treated to ensure its excellent performance and increased durability. Precision machined chamfered tips lead into the fastener heads with exact fits. Instead of assembling separated parts into an integral whole, the bit sockets are all featured with one-piece construction, which is more durable to stand large impact force. With pinhole design, you can place in a locking pin for a more secure hold. Easily determine the size of each impact socket with clear markings. Store all the bit sockets on the steel holder for easy tool management. Hex Size: H4, H5, H6, H7, H8, H10, H12

• Cr-Mo ALLOY STEEL - Cr-Mo impact socket features with added strength, higher working temperatures, and corrosion resistance. Much stronger to stand greater impact force than chrome vanadium ones.
• COLD FORGING & HEAT TREATMENT - Cold forged and heat-treated for added hardness, increased wear resistance, and prolonged lifespan. Black phosphate coated for corrosion and wear resistance.
• RADIUS CORNER & CHAMFERED DESIGN - Radius corners prolong the lifespan of both fastener and socket with force distributed to the inwall. Chamfered edges smoothly lead into a fastener head.
• ONE-PIECE CONSTRUCTION & PIN HOLE DESIGN - More durable to stand a higher torque with an integrated structure. Compatible with socket retaining pins & O-rings to add extra security.
• PRECISE FIT - Adopting precision machining, the hex head with strict tolerance control provides an exact fit to stand high torque. Comes with a hanging steel rack for effortless storage. Note: Press the red button to release the socket. Size Included: H4, H5, H6, H7, H8, H10, H12.