Description: -This key switch is an emergency switch button with a special mechanical key for emergency situations. -19mm key switch lock with 2 keys, nice smooth action, and easy to mount. -Key is removable in both ON and OFF positions. Specification: Panel Material: 304 Stainless Steel Rated Power: 4A 125V AC / 2A 250V AC Type: SPST Contacts Type: 1 NO, 1 NC Cable Length: 20cm / 7.9" Panel Size: 115 x 40mm / 4.53" x 1.57" (L*W) Mounting Cut Hole: 19mm / 3/4" Panel Mounting Hole Diameter: 4.5mm / 0.18" Panel Mounting Hole Distance: 83mm / 3.27" Package Content: 1 x Key Operated Switch 2 x Keys 2 x Mounting Screws