Large 2-way momentary toggle switch. The switch springs back to a center off position and can toggle in each direction. The (on)-off-(on) SPDT poles are ideal for mapping functions that have increase and decrease. The switch features 1/4 inch terminals but can also be soldered to. The switch mounts in a 0.475 inch (12mm) hole. The bat shaped toggle is 3/4 inch (19mm) long.