Up for sale is a complete 20-piece Craftsman Max Axess mechanics tool set. The pass-through design lets threaded rod and long studs pass straight through the socket and ratchet head, eliminating the need for bulky deep sockets in tight spaces. The pass-through spline design also grips multiple fastener types, including standard 6-point, 12-point, square, Torx, and partially rounded bolts. What Is Included (Complete 20-Piece Set). (1) Craftsman Max Axess Pass-Through Ratchet. (1) Pass-Through Extension Bar (Part # 29306). (1) 3/8″ Standard Square Drive Adapter (allows the ratchet to drive standard 3/8″ square-drive sockets). (9) Metric Sockets: 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm. (8) SAE Sockets: 3/8″, 7/16″, 1/2″, 9/16″, 5/8″, 11/16″, 3/4″, 13/16″. (1) Original Craftsman Heavy-Duty Red Storage Case.