Flat Jaw 4"/101mm, Pipe Jaw 3"/67mm, Weight 20kg, Maximum opening 4"/101mm, Distance from top of jaw to slide 2 5/8"/65mm, Revolves through 360 degrees, Clamping Force up to 4000lbs.
6inch Swindens
Flat Jaw 6"/152mm, Pipe Jaw 5"/127mm, Weight 35kg, Maximum opening 6"/152mm, Distance from top of jaw to slide 3 5/8"/92mm, Revolves through 360 degrees, Clamping Force up to 6000lbs, Cast Iron and SG Iron Manufacture.