EMENTOL 107PCS Bit Socket Set, 1/4", 3/8" and 1/2" Drive, Hex/Torx/Tamper Proof Torx/E-Trox/Long Ball End Hex, CR-V, S2 Steel, SAE/Metric

The socket base is made of heat treated Chrome-Vanadium Steel, and the bit is made of S2 Alloy Steel. Which for professional and durability. | Set Includes: 107pcs 1/4", 3/8" and 1/2" drive Hex/torx/tamper proof torx/E-trox/Long ball end hex | Rounded corner design increases the contact surface and protects the tool from wearing. | High contrast and specific size marking for identification. It helps you select the size easier. | It comes with a sturdy and convenient storage case. Keep each piece in the proper position. Meets or exceeds ANSI performance standards.