14/20 hollow hex head stopper
Chemglass 14/20 hollow hex head stopper; Stopper, Hex Head, Hollow, 14/20. Hexagonal shaped head of stopper prevents it from rolling off of the bench top. - CHMGLS
Chemglass 14/20 hollow hex head stopper; Stopper, Hex Head, Hollow, 14/20. Hexagonal shaped head of stopper prevents it from rolling off of the bench top. - CHMGLS