Pony Jorgensen (19mm) 3/4-Inch Pro Pipe Clamp Fixture features: wider and taller stance, taller and wider jaws, built-in clamp stand, longer screw and built-in clamp hanger. Clamping jaws 54mm. It sits 63.5mm above work surfaces. Ideal for metalworking, woodworking and frame assembly. For applications that range from do-it-yourself to industrial production. Mounts on any length 19mm (3/4) black pipe with both ends threaded (pipe not furnished). Iron castings are iron with orange and black baked-enamel finish. The 15.9mm diameter steel hardened screw has a crank-type handle. The multiple-disc-clutch assures flawless clamping pressure. From the maker's of the line of Pony Pipe Clamp Fixtures. The product is Pony Pro Pipe Clamp Easy to use Clamping jaws 54mm Clamp sits 63.5mm above work surfaces Pony Jorgensen provides Craftspeople, Makers and DIYers with clamps that are not only well made and durable & they are also designed to be versatile and easy to use. Embrace your creativity and choose Pony Jorgensen.