Spinbar Ptfe Eggsh 3/4x3/8, Case Of 50

Details:

Spinbar* stir bars, egg-shaped^ designed specifically for round bottom flasks and vessels. The ptfe* resin-coated, egg-shaped, magnetic stir bar fits the round bottom for uniform stirring without restriction. 19Lx9.5Dmm. For round-bottom flasks sized 10, 25, 50 and 100ml.