24/40 hollow hex head stopper
Chemglass 24/40 hollow hex head stopper; Stopper, Hex Head, Hollow, 24/40. Hexagonal shaped head of stopper prevents it from rolling off of the bench top. - CHMGLS
Chemglass 24/40 hollow hex head stopper; Stopper, Hex Head, Hollow, 24/40. Hexagonal shaped head of stopper prevents it from rolling off of the bench top. - CHMGLS