4-Prong Cork-Lined Clamp on Stainless Steel Rod, 4.1" Max Lab Equipment and Supplies_Safety Supplies visualizing sound-transmission dependence on a

visualizing sound-transmission dependence on a medium

Spring-clipped metal frame on a mounting rod grips gratings

Research-grade oxygen spectrum tube at 26cm with a 10cm central capillary

Heavy-duty spring-loaded three-finger jaw with dual-screw fine adjustment mounts on a swivel boss head accepting 18mm rods

4-Prong Cork-Lined Clamp on Stainless Steel Rod, 4.1" Max Lab Equipment and Supplies_Safety Supplies visualizing sound-transmission dependence on aCork lined four prong jaws cushion beakers, Erlenmeyer flasks, test tubes, and burettes up to 4. 1 inches, attached to a 10mm diameter 5. 5 inch stainless steel connecting rod.