The Stnaley 1/4in Drive 10 piece metric socket set with a MicroTough reversible ratchet, 5° angle of engagement and a fine tooth 72-tooth gear. It has a thumb operated reverse switch and is fitted with a comfortable bi material handle. Full ISO spec, patented innovation for Stanley®. Consisting of: 9 x 1/4in Hex Sockets: 4, 5, 5.5, 6, 7, 8, 10, 11 & 13mm.1 x 1/4in MicroTough Reversible Ratchet.