3Pcs 6 Point Deep Impact Socket 7Mm Metric Socket 3/8" Drive 40CRV 1.1" Long

Made from quality 40CRV (chrome vanadium steel), which has ultra-high strength and impact resistance. It is not easily deformed or cracked under sustained high-intensity impact, effectively providing solid assurance for the durability and high performance of the socket. This deep impact resistant socket is integrally forged. Secondary heat treatment upgrades its hardness and wear resistance. Carbon black phosphating treatment features corrosion resistance and surface lubricity to resist oil and moisture, greatly extending service life. The impact socket has a 6-point opening, which can closely fit the hex shape of fastener head and apply maximum torque without slipping easily. With a thickened inner wall designed for heavy duty use, the socket delivers higher torque bearing capacity, cushions impact force. 6-point impact socket can be used to install, remove and repair fastening bolts, shaft nuts, bolts on cars, machines, household appliances, engines, etc., suitable for 3/8-inch drive electric wrenches, ratchet wrenches, L wrenches, bent rods, etc.