Support Ring, Steel Rod, Steel rod, zinc-plated support ring with attached boss head clamp and thumbscrew, Distance from support to center of ring is 4-1/2in for all sizes, Diameter: 5
Support Stand with Rods, Plastic, require non-corrosive worksurfaces, Heavy, weighted base provide stability similar metal versions, The removable steel rod is coated with polypropylene to make it non-corrosive, Size: 8x12 in with center hole, Rod Length: 30in