Made of borosilicate glass having thick uniform walls. Heavy �construction for greater mechanical strength and prolonged life with �harder than normal usage. Dia. 35 mm, �Stem Length �35 mm, Stem Dia. 0.6 cm
Made of borosilicate glass having thick uniform walls. Heavy �construction for greater mechanical strength and prolonged life with �harder than normal usage. Dia. 35 mm, �Stem Length �35 mm, Stem Dia. 0.6 cm