The Britool Expert BRIE030707B 73 piece 1/4 inch socket and accessory set is a comprehensive collection for various mechanical tasks. It includes 13 x 1/4in Hex Sockets (4-14mm), 9 x 1/4in Hex Long Deep Sockets (5-13mm), 10 x 1/4in 12-Point Hex Sockets (3/16 - 1/2 AF), 6 x 1/4in TORX Sockets (E4-E10), 3 x 1/4in Screwdriver Bits (4-7mm), 3 x 1/4in Pozidriv Bits (PZ1-PZ3), 3 x 1/4in Phillips Bits (PH1-PH3), 10 x 1/4in TORX Bits (T6-T40), and 8 x 1/4in Hex Bits (2-8mm). It also comes with 3 x 1/4in Extensions (50, 100, 150mm), 1 x 1/4in Screwdriver Handle, 1 x 1/4in Universal Joint, 1 x 1/4in T-handle, 1 x 1/4in Socket for 1/4in Hex Bits, and 1 x 1/4in Ratchet. The set is supplied in a case with metal clasps that converts into a modular storage system for roller cabinets.