All moveable parts are in one head. All adjustments are made from one end. Ideal for countertops, cabinets, inside "tight quarters" work and a variety of other applications, the #56 is a 2-1/2" deep- reach design. The heads can also be reversed to "spread" work. Mounts on any length 3/4" black pipe with both ends threaded (pipe not furnished).
Castings - Malleable and/or ductile iron; powder coated orange and black baked-enamel finish.
Screw - 5/8" diameter steel with special, smoothly cut Acme threads; wing-nut handle.
Multiple-Disc- Clutches - Plated hardened steel; 4 pieces per set.
Swivel - 1-1/4" diameter (#1046); exclusive JORGENSEN design, with steel internal lockwashers for positive "stay-on" power.
Coil-spring "stop" - One is included with each clamp fixture.