Hollow Hex Head Stopper
This hollow hex head stopper is made from borosilicate glass and has a 24/40 fitting with a flat hexagonal head.
The hexagonal head prevents it from rolling when placed on its side.
This hollow hex head stopper is made from borosilicate glass and has a 24/40 fitting with a flat hexagonal head.
The hexagonal head prevents it from rolling when placed on its side.
