Additional Details
5" (127mm) O.D. support ring with clamp. This strong ring is made of cast iron with an enamel finish and a large thumb screw for securing to a rod. Accepts rods up to 12.5mm in length and is 8.5" (215mm) in total length.
Products being sold are not toys. They are for Educational / Laboratory use only. They are not for use by children 12 and under.