Description1.Zinc alloy die cast housing, four terminals, in both positions, (Off-On).2. Keyed can be taken off when the switch stays on or off position.3. Miniature key lock switch for simple locking and switching tasks. Specifications:Main Color: Silver;(Rated) Voltage & Current: AC 250V/2A AC125V/4AOperation Type: Locking;Contact Type: 2NO 2NC;Light Voltage: no light includeMounting Hole Dia: 19mm / 0.75";Position: 2Terminals Quantity: 4;Overall Size(Approx): 31.3 x 21.7mm / 1.23" x 0.85" (L*W) Package Content :4 x Key Push Button Switch / 8 x Keys / 4 x Screw Nut;