
The 3-Prong Extension Clamp With Steel Rod by United Scientific is a die-cast 3-prong clamp on a chrome-plated steel extension rod, 10 inches (25.4 cm) long overall. Rubber-sleeved prongs cushion flasks, condensers, and tubes, and the clamp is rated for use up to 60°C (140°F). It is used in teaching and research labs to hold glassware on ring stands and support frames for distillation, extraction, and general bench setups.