4-Prong Extension Clamp With Boss Head, 1 Each

The 4-Prong Extension Clamp With Boss Head by United Scientific is a die-cast, 4-pronged clamp with an attached boss head and chrome-plated steel rod, 8 inches (20.3 cm) long overall. Cork-lined jaws grip flasks, condensers, and columns evenly from four sides, and the clamp is rated to 60°C (140°F). It is used on ring stands and support frames in teaching and research laboratories.