The Milwaukee 48-22-9008 3/8" Drive 56 Piece Ratchet & Socket Set is a versatile mechanics tool set designed for both SAE and metric measurements. With a total of 56 pieces included, this set features a low profile design and comes with adapters and extensions for added versatility. The set is compact, measuring 13.8 inches in length and 1.9 inches in width, making it easy to transport and store. Backed by a lifetime guarantee, this ratchet and socket set from Milwaukee is a reliable tool for any home or workshop.