The original! The 301 Standard PanaVise is an all-purpose work holding unit, perfect for both industrial and home hobbyist applications. A single knob controls the "tilt, turn and rotate" function of the patented split ball, which allows the head to move easily and conveniently through three planes (360° rotation, 360° swivel and 90° pivot). Jaws are 2-1/2" (64mm) wide and open to 2-1/4" (58mm), and the base features a 4-5/16" (111mm) bolt circle. The combination stands 6-1/4" (173mm) tall, weighs 2 lbs. 11 oz. (1.2kg).