Stir Bar Ptfe 1x1/2in. ,Each

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. 25.4Lx12.7Dmm. For round-bottom flasks sized 100 and 200ml.