2P spring connector that's great for prototyping and hooking up all types of temporary connections. Just push down the lever, insert the wire, and let go. The wire is held securely. No soldering and desoldering.

We also use these for speaker wire connections to make changing speakers easier.

It can handle up to 12AWG. It has a hole in the middle for mounting.

Measure: .76" (19.5mm) x .66" (16.9mm) x .52" (13.2mm)