HiLetgo 10pcs Micro Limit Switch KW12-3 AC 250V 5A SPDT 1NO 1NC Micro Switch Normally Open Close Limit Switch with Roller Lever Arm Black: Amazon.com: Industrial & Scientific
Twidec/10Pcs Mini Micro Limit Switch 5A 125 250V AC SPDT 1NO Short Metal Hinge Roller Lever Arm Switch 2 Pins Snap Action Button Type KW11-3Z09: Amazon.com: Industrial & Scientific