Stirrer Safe-Lab Bearing 29/42 ,Each

Details:

Safe-lab, stirrer bearing, pp/teflon, with stoper-loc-nut, 29/42^ saf-t-line threaded size for use with stopper-loc nut. Allows stirrer bearing to be locked to outer ground joint when stirring viscous materials for long periods of time. Sold complete with stopper-loc nut and two teflon inserts.