SVL? Stirrer Shaft, with ground shaft, length 315mm

SVL? Stirrer Shaft, with ground shaft, length 315mm
Manufactured from 3.3 expansion borosilicate glass complying with ISO 3585 (ASTM E-438 Type 1 Class A)
Designed for use with SVL? stirrer bearing and PTFE stirrer paddle heads.
The shaft end fitting has a Torion 5 screw thread for the attachment of SVL? PTFE stirrer paddle heads
The upper section of shaft is ground to fit SVL? stirrer bearing 588-09
Stirrer shaft diameter 10mm