Featuring an innovative closed yoke design that minimizes contamination and corrosion of internal components and is easier to clean and decontaminate. This design allows use of the clamp’s full depth – no springs or internal workings to get in the way. Choose single adjustment style for standard use where one prong or “finger” is adjusted using a wing nut, while the other prong remains stationary or for a more versatile clamp choose the dual adjustment style. Utilizing thumbscrews, both prongs are easily adjusted over a wider range. Available in 3 sizes, small, medium, and large. Constructed of nickel plated zinc. Supplied with non-slip vinyl sleeves or for temperatures above 212°F (100°C), fiberglass covers. The prong height for these clamps make them ideal for use in holding and securing glassware with precision ground glass joints. The chart details which Heavy-Duty clamps are recommended:

Clamp Joint Size (mm)
Small Dual Adjust 10/30, 12/30, 14/20, 19/22, 24/40, 29/42, 34/45
Medium Dual Adjust 14/40, 19/38
Large Dual Adjust 45/50