Rego Fix ER40 spanner wrench holder attaches to 8020 1010 profile
A hoder that attaches to a 8020 1x1" (1010) profile with a hidden 1/4"-20 screw. Parametric model also provided.
Better than looking for the spanner wrench in the chip tray.
Lid attaches with M4 x 10mm screws into heatset inserts.