Features and Benefits:•Set includes 2 folding hex key sets covering 9 SAE sizes and 8 metric sizes. Sizes included are 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 1.5, 2, 2.5, 3, 4, 5, 6, and 8mm•Ball End design provides increased access, increasing entry angle by 25 degree•Chamfered edges on both ends of the hex key help guide the key into the fastener•Fold ups are marked with SAE and metric designation for easy identification•Handle constructed from dual material and designed for comfort•Keys rotate 270 degrees for greater access and torque•Meets or exceeds ANSI and ASME standards•Backed by a Lifetime Warranty.GEARWRENCH® is a premier mechanics hand tool brand, offering products that are designed and manufactured to meet the tough requirements of Professional Automotive Technicians and Industrial users. Since the launch of its original patented five-degree ratcheting wrench in 1996, the GEARWRENCH® brand has continuously led the industry with breakthroughs in wrenches, ratchets, sockets, and specialty tools.