Ealing Triangular Bench Standard Pillar

This is a standard pillar for use with various Ealing triangular optical bench carriers. The pillar is 80mm tall and has three mounting counterbores for attaching to the carriers which are threaded to receive them. The bore in the pillar is 13.7mm in diameter, with a second eccentric bore directly opposite the clamp screw so smaller diameter posts can be clamped accurately. Smallest recommended diameter is 10mm. The part number of the holder is 22-4055.