Stir Bar Ptfe 1-1/4x5/8in, 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. 31.8Lx15.9Dmm. For round-bottom flasks sized 300 and 500ml.