Tubing Holder Clip for Beakers, model F18235-0000 is manufactured by SP Scienceware. This product is made from polypropylene, autoclavable, for holding flexible tubing in a beaker or other open container. It has a 51 mm (2 in) long arm with a hole in the arm to hold up to a 9.5 mm (3 / 8 inch) outer diameter tubing.