Proto® DuraTek™ Nut Driver Set, Measurement System: Metric, 12 Piece, 4 to 14 mm Size, 8-1/2 to 9 in Overall Length, Ergonomic Handle, Specifications Met: ASME B107.12, Magnetized Tip: No, Specifications: 4 in L Solid Round Shank, Steel Shank, Black/Gray Handle