Stainless Steel Harmonic Motion Spring, 7", 9-9.5 N/m Lab Supplies_Lab Burner Accessories Heavy-duty cork boring machine cuts

Heavy-duty cork boring machine cuts precision holes through rubber and cork stoppers for fitting laboratory glassware

Four-piece Euro-design polypropylene measuring jug set covering the four mid-range bench volumes

Thermally isolated 150mL aluminum reservoir inside a polystyrene-lined jacket

Black rubberized vinyl halter apron measures 27 by 42 inches

Stainless Steel Harmonic Motion Spring, 7", 9-9.5 N/m Lab Supplies_Lab Burner Accessories Heavy-duty cork boring machine cutsTruncated cone stainless steel coil 18cm long with brass wire windings and a 9 9. 5 N m spring constant, producing more sinusoidal oscillation than a standard helical spring for SHM studies.