XZN Triple Square Spline Bit Socket Set, S2 and Cr-V Steel, Extra Long 4" Length. Set Includes. 1/2"Dr: 16mm(tamper proof), 18mm(tamper proof).

Brand: Focus Tool
Manufacturer Part Number: CS090
Drive Size: M4-M18
Drive Type: Triple Square
Set or Single Item: Set
Socket Type: Standard
Surface Finish: Chrome
Tools Included: Sockets
Warranty: Lifetime
Size: 1/4"Dr: M4, M5, M6, M8, M9, M10, M12, M14 (tamper proof), 1/2"Dr: M16 (tamper proof), M18 (tamper proof)
Number of Pieces: 10