Toolzone 27 Piece Star Socket & Bit Set The star socket and bit set is a handy piece of kit, with a wide range of sizes of sockets and star heads you will be sure to find one for your needs. Sockets are used for tightening up nuts and bolts whereas the star heads are used for screws and other types of fixings. Features: 8 Star sockets 10 Star sockets with sockets 25mm male Bits (T): 8, 10, 15, 20, 25, 27, 30, 40 3/8" drive female Sockets (E): 10, 12, 14, 16, 18 1/2" drive female Sockets (E): 20, 22, 24 3/8" drive male Sockets with Bits (T): 20, 25, 27, 30, 40 1/2" drive male Sockets with Bits (T): 45, 50, 55, 60, 70 One 3/8" drive Bit Adaptor Chrome Vanadium Sockets Metal Storage Case