1/4'' + 1/2'' box spanner set, 70 parts, flank traction. Supplied = assembled. Number of parts = 70 pcs. Product type = box spanners. Hexagonal. FlankTraction profile. Chrome-vanadium. Matt satin finish. In an elegant aluminium case. Hexagonal. FlankTraction profile. Chrome-vanadium. The following tools are included: 1 x combination spanner, angled, 8 mm 1 x combination spanner, angled, 10 mm 1 x combination spanner, angled, 12 mm 1 x combination spanner, angled, 13 mm 1 x combination spanner, angled, 14 mm 1 x combination spanner, angled, 17 mm 1 x combination spanner, angled, 19 mm 1 x 1/2'' extension, 125 mm 1 x 1/2'' extension, 250 mm 1 x 3/8'' slide/enlargement adapter, 3/8''F x 1/2''M 1 x 1/2'' socket, 15 mm 1 x 1/2'' socket, 16 mm 1 x 1/2'' socket, 17 mm 1 x 1/2'' socket, 18 mm 1 x 1/2'' socket, 19 mm 1 x 1/2'' socket, 20 mm 1 x 1/2'' socket, 21 mm 1 x 1/2'' socket, 22 mm 1 x 1/2'' socket, 24 mm 1 x SUPERLOCK socket 1 x 1/2'' socket, length 38 mm, 30 mm 1 x 1/2'' socket, length