0.625" Extension Springs (2-pack)
These are the extensions springs used on the Wilson II rack & pinion bed probing mechanism. They are 0.625" long when in the relaxed state, and extend to about 1.2" when stretched. Made from steel music wire and rated at 1.3 lbs/inch, the OD of the spring is 0.188", making them well suited to securing with a standard M3 screw.
Includes: 2 extension springs