The Ko-ken SKU 2260M is a 28-piece 1/4" and 3/8" Sq. Dr. Metric 6-Point Socket Set, ideal for a wide range of mechanical tasks. The set includes 1/4" Sq. Dr. 6-Point Metric sockets in sizes 4, 5, 5.5, 6, 7, 8, 10, and 12mm, along with a 1/4" Sq. Dr. ratchet (SKU 2753N), two extension bars (50mm and 150mm), and a 150mm spinner handle (SKU 2769N-150). The 3/8" Sq. Dr. components include 6-Point Metric sockets in sizes 8, 10, 11, 12, 13, 14, 15, 17, 18, 19, and 21mm, a ratchet (SKU 3749), two extension bars (75mm and 125mm), a sliding T-handle bar, and a 3/8" to 1/4" Sq. Dr. adapter (SKU 3322A). This comprehensive set is neatly organized in a red metal case with a blow-molded insert, ensuring each piece is securely stored and easily accessible.