No hydraulics, no ratcheting, no messThread-in/thread-out removable draw studsRated to cut 10 ga mild and stainless steel up to 4 inMinimum drill recommendations: 18 V cordless, equivalent of 550 in-lb torque ratedAn advanced knockout tool used with a cordless drill to draw punch dies together for quick accurate knockoutsSmall size
Specifications
Max Operating Force: 550 in-lb
Southwire 63159701 Heavy Duty Knockout Punch Driver