US$ 19.99
Built to grip round flasks and condensers during distillation or reflux
providing waterproof
dual bore sights
1100-turn copper coil on a bobbin sized for a double C-core
and symmetry
Large Steel Compression Spring Stock Type_Build to Order Built to grip round flasksTwelve inch steel compression spring with a 0. 050 N mm constant and 19 SWG wire, sized for large scale demonstrations of elastic potential energy and simple harmonic motion.