The STANLEY FATMAX 1/4in M PRO-STACK™ Socket Set contains a selection of Maxidrive Sockets; with knurling to help take and use the socket easier. A neck-down design facilitates usage in restrictive environments. The Maxidrive profile maximises contact between the socket and nut, and visible dimensions to easily identify socket size. Features: 48 Piece FATMAX 1/4in M PRO-STACK™ Socket Set in a connectable case. Fixable to the larger PRO-STACK™ casing, this module offers a true mobile and secure solution for your mechanics tools. A transparent lid offers full clarity of contents; 1 x 1/4in Bi-material Ratchet 120 Tooth12 x 1/4in 6 Point Maxidrive Sockets: 4, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13 and 14mm2 x 1/4in Extensions: 76mm (3in), 150mm (6in)1 x 1/4in Bit Holder1 x 1/4in Universal Joint1 x 1/4in Spinner4 x 25mm Phillips Bits: PH0, PH1, PH2 and PH34 x 25mm Pozidriv Bits: PZ0, PZ1, PZ2 and PZ37 x 25mm Slotted Bits: 4, 5, 5.5, 6, 6.5, 7 and 8mm5 x 25mm Hex Bits: 3, 4, 5, 6