Critical® Wired Foot SwitchIn a hard wired version, the Critical Wired Foot Switch features a large surface area for easy engagement with a non skid rubber bottom which allows for a sturdy setup. This footswitch is built with an improved reinforced shielding that prevents debris from getting inside the pedal. Features: Improved shielding to limit debris getting inside the switch Better response with one central switch vs. multiple contact springs Non skid rubber bottom 2 year