Expertly designed for ultimate convenience, the STANLEY 7PCS METRIC HEXAGONAL MALE HEXKEY SET is a must-have for any toolkit. With a folding design for compact storage and a durable plastic holder to keep the bits organized, this set is built to last. Made with strong silicon steel blades, its strength and durability are unmatched. Sizes included: 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, and 6mm.