Cast iron ring with open boss head clamp, fitted with thumb screw. Boss head accepts rods from 8mm (5/16") to 15mm (5/8"). Extension distance from boss head to ring is approximately 2".
Outer diameter of ring is 5.75". Inner diameter of ring is 5.125". Total length from center line of boss head to edge of the closed ring measures approximately 7.5"

Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control.
Each product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind. They are manufactured with only the highest grade, raw materials and according to international quality standards to ensure that they can withstand use in even the toughest laboratory environments.