Ideal Vacuum Cube Quick Knob Assembly to Make Hinged Cube Plate Doors Fast and Easy to Open.
These Quick Knobs are designed to work with the chamber hinge kit (P106868) to make opening Cube plate and viewing window doors open and close easily.
Each Quick Knob assembly includes 1 Quick Knob (connected to fastener) and a 1 1/4"-20 fastening bolt.
For all Cube doors, it is recommended to use 4 quick knob assemblies to minimize possible leaks.