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.