• Set includes 7 pieces: 1/4-5/16, 5/16-3/8, 3/8-7/16, 1/2-9/16, 9/16-5/8, 5/8-11/16 and 3/4-7/8" • 12-point Dynamic-Drive™ profile provides longer life for screws and nuts • Chrome plated micro-matte finishing provides high quality surface • High-performance alloy steel • Better accessibility • Optimised legibility and identification with high-clarity imprint • Standards: ISO 1085, ISO 10104 and DIN 838 • Available in black plastic pouch