The Stanley 1/4in Drive 11 piece metric socket set with a fast and easy twist handle ratchet for quick ratchet and a rotating system ideal for those difficult to reach places. Comfortable bi-material handle with clever quick head ejection. Supplied in consumer friendly \'Try Me\' packaging. Full ISO spec, patented innovation for Stanley®. Sockets in premium black chrome. Consisting of: 10 x 1/4in Hex Sockets: 4, 5, 5.5, 6, 7, 8, 9, 10, 11 & 13mm.1 x 1/4in Rotator Reversible Ratchet.