1., Made of chrome vanadium steel construction for strength and durability., 2., Mirror chrome plated surface treatment, not easy to rust and corrosion resistance., 3., Has a 6-point opening, it can fit tightly to the hexagon of the fastener head so that the maximum torque can be applied without slipping., 4., To prevent round-off under stress, it grips the flat sides of the fastener head rather than the corners., 5., For disassembly and tightening of hexagon head bolts and nuts. uxcell 1/4-inch Drive by E8 and E10 External Torx Shallow Socket Set of 4 Pcs, Metric CR-V Steel,uxcell,Star Drive,Individual Drive Sockets,Sockets & Socket Sets,Industrial Hand Tools,Power & Hand Tools,Industrial & Scientific DURATECH 14-Piece External Star Impact Socket Set with Storage Case, E4 to E24, 1/4", 3/8", 1/2" Drive Female E-Torx Torque Socket for Working with Impact Wrench, Cr-V Steel External Set Uxcell 1/4-Inch Drive External Torx Shallow Socket Set E4 E5 E6 E7 E8... Torx Socket Size - 1/4 square drive, E8 and E10 torx socket, 25mm (0.98) total length.. CR-V Steel - Made of premium chrome vanadium steel with mirror chrome plated finish for strength and anti-corrosion.. Radius Corner Design - Reduces wear and increases torque on fasteners by placing force on fastener walls rather than fastener corners CR-V Steel - Made of premium chrome vanadium steel with mirror chrome plated finish for strength and anti-corrosion. Radius Corner Design - Reduces wear and increases torque on fasteners by placing force on fastener walls rather than fastener corners. Size - 1/4 square drive, E8 and E10 torx socket, 25mm (0., 98) total length. Specification:Material: Chrome Vanadium Steel (CR-V)Finish: Chrome Plated, PolishedSocket Size: E8 E10Drive Size: 1/4-inchTotal Length: 25mm / 0., 98-inch Package Content:2 Pcs x E8 Torx Socket2 Pcs x E10 Torx Socket 3/8 Socket Set E Torx Star Socket Set Case 1/4 3/8 Drive External Star E8 Torx Socket