The Ko-ken RS2410M/12 is a 12-piece 1/4" Sq. Dr. Socket Set featuring Surface Drive technology, designed to enhance performance and longevity. This set includes 12 standard length, chrome hand sockets ranging from 4mm to 14mm, specifically sized at 4, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13, and 14mm. Surface Drive sockets are engineered to contact the flat sides of nuts and bolts, which helps to transfer high torque while minimizing wear and damage, particularly useful for painted or soft material nuts and bolts. The set is mounted on a 200mm rail for easy storage and organization, offering a practical solution for various fastening tasks.