Snap Acting Switch Mounts Inside Tradeline Models of Modutrol IV Motors to Control Auxiliary Equipment as a Function of Motor Shaft Position, Includes:(1)SPDT Micro Switch V3 Precision Switch, Color Coded Wires(12L From Base), Motor Table, Dims:1"H X 3-1/4"W X 2-5/8"D, Weight: 1-Lb"