Set of deep impact quality 1/4" square drive sockets in single hex (6pt) profile. Featuring a longer 50mm depth for improved access over standard sockets. Covers smaller sizes from 4mm to 15mm, including some useful half sizes. Allows the use of impact tools with smaller nuts and bolts. Ideal for quick and easy removal of rusted components and a time saver when there are a lot of fixings. Provided on a socket rail for easy, accessible storage so the sockets are easy to hand. A good value, problem solving set for the workshop. Socket sizes: 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15mm.1/4"D x Single Hex (6pt) x 50mm deep. Manufactured from chrome molybdenum with black phosphate finish. Supplied on a socket rail for safe storage.