The JCB-68262-5MPB Impact Tool Set is a comprehensive 3/4" and 1" square drive impact socket tool set that includes impact sockets, ratchets, breaker bars, and extensions. They are made from high-quality chromium-molybdenum steel (Cr-MO), which ensures strength and durability. The impact sockets are designed for high torque impact tightening/loosening parts including automotive repair, construction, industrial processes, and more. In the Box Number of pieces: 26 6-point impact sockets: 3/4" sq drive: 17, 19, 21, 22, 24, 27, 30, 32, 33, 34, 35, 36 mm. 6-point impact sockets: 1" sq drive: 55, 60, 65 mm. 12-point impact sockets: 3/4" sq drive: 38, 41, 46, 50 mm. Impact ratchet: 3/4" sq drive: 500 mm. Impact adapter: 3/4" sq drive (F) to 1" sq drive (M). 3 Year Warranty (Terms Apply)