Ko-ken RS3020/7-L50 3/8" Sq. Dr. 7-Piece Triple Square (XZN) Bit Socket Set covers sizes M4, M5, M6, M8, M10, M12, and M14. This set features 50mm long bit sockets mounted on a 150mm rail, providing a convenient and organized solution for handling Triple Square fasteners. Designed with a 3/8" drive for secure engagement and efficient torque transfer, these sockets are ideal for professional use in applications requiring precise Triple Square engagement.