Quick Draw 90 Driver Metric. Draw studs, adapter, spacer and case. Compact, lightweight design for portability and fast, easy one-person operation. Develops 8 tons of hydraulic force for easy punching, even in 10-gauge stainless steel, depending on individual punch capacities. Right angle driver head rotates over 180 for maximum flexibility in tight working areas. Can be used with non-round punches within the capacity of the tool (adapter may be required). U.S. Patent #6,772,521.