◎Borosilicate glass for highest resistance to thermal shock and chemical corrosion.
◎Designed for use with the range of plastic screwcaps silicone rubber rings and PTFE washers.
◎Female cup joints precision manufactured to the highest standards.
◎For use with male ball joints MS.
◎Spherical joints are manufactured with an approximate shank length of 100mm.
◎For the Glassblower who demands the highest quality joint.
◎Manufactured to an accuracy which surpasses the requirements of ISO 641.
◎Intended for use with female spherical cup joints FS.
◎Unbadged ground glass sockets.
◎High quality joints manufactured to an accuracy which surpasses the requirements of ISO 383.