- 3/8" E20 external Torx socket designed for tightening and loosening star-type fasteners in automobiles and mechanical equipment - Made of heat-treated chrome vanadium steel (CR-V) for maximum strength and protection against wear - Polished chrome finish prevents oxidation and makes cleaning easier - Radial corner design applies force to the flat sides of the fastener, preventing rounding and extending the life of the tool and bolts - Total length of 28 mm, ideal for accessing deep spaces and working with long bolts - Four retention grooves for a secure connection with the drive tool - Recommended for use in cars, industrial maintenance, and general repairs - Includes 1 E20 Torx socket with 3/8" square drive