MICRO SWITCH™ Premium Large Basic Switches: YA Series, Single Pole Normally Open (SPNO), 15 A 125/250/480 Vac, 7,11 mm [0.280 in] Diameter Stainless Steel Additional Overtravel Plunger, Binding Head Combination Screw Termination with Cup Washers, 4,3 mm [0.169 in] Mounting Holes, UL, CSA