Set of 40 tools with 1/4" and 3/8" shank. The set includes: 9 hex sockets in sizes 4, 5, 6, 7, 8, 9, 10, 11, 12 mm on a 1/4" shank, 9 hex sockets in sizes 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 1/2" on a 1/4" shank, 9 hex sockets in sizes 9, 10, 11, 12, 13, 14, 16, 17, 19 mm on a 3/8" shank, 7 hex sockets in sizes 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4" on a 3/8" shank, 3/8" ratchet with 36 teeth, 3/8" extension with a length of 16 mm, 1/4" shank handle, 3/8" extension with a length of 3", 3/8" to 1/4" adaptor. TOPTUL tools are designed for the most demanding tasks. Precisely selected materials, high precision workmanship, and resistance to deformation and cracking determine their great popularity and excellent reputation. Combined with exceptional surface finish and affordable price.