Description: Socket set, perfect for you to remove or tighten a bolt or nut. Furniture assembly, automotive or appliance repairs, computer parts, cabinet drawers or doors all have nuts or bolts that hold them together. The 40-piece socket set contains the most commonly used standard and metric-sized sockets. The 1/4" and 3/8" drive sockets come with a 3/8" reversible ratchet wrench plus accessories. The wrench and sockets are chrome plated, for long lasting rust resistant performance. Specification: 28pcs 1/4 series Sleeve:4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 9, 10, 11, 12, 13mm/ 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2, 17/32, 9/16 inch. 3pcs 1/4 series Star Sleeve: 1/4, 5/16, 3/8 inch. 2pcs 3/8 series Sleeve: 16mm(5/8"), 15mm(0.59") 1pcs 1/4x3/8 Adapter 1pcs 3/8 Ratchet Wrench 1pcs 3/8 Plastic Card 1pcs 3/8x3" series Post 1pcs Screwdriver Handle 1pcs 3/8x21mm Mars Sets Package Includes: 1 Set of Drive Socket Set (40pcs)