Polished glass stirring shafts, 19mm OD. Available in solid and hollow styles and in various lengths. Join 8085 blades to button type shafts, Join 8091,8092,8093 and 8100 agitators to either knob or drilled style shafts. Join all shafts to stirrer motor using 8124 series chucks. Recommended for use with our 8050 mechanical seal, 8067 PTFE and 13445 PTFE Debris-free bearings.