Glassco Stopper, Socket Size 29/32, Hexagonal Head, Hollow with Tip, Borosilicate 3.3 Glass, Each (011.205.06)

Glassco hollow stoppers with tip, Mainly used on stoppered cylinder, jointed flasks and volumetric flasks with a hexagonal head which help to prevent contamination of ground surface and provides a better grip to block it from rolling . Made of high quality and chemical resistant 3.3 borosilicate glass and in compliance with DIN 12252 standard.