Limit Switch Head Steel Roller Plunger, Actuator Style Roller Plunger, Actuator Location Top, Actuator Length 0.8 in, Travel 0.16 in, Movement Omnidirectional, Operating Force 2.7 in-lb, Operating Temp. -25 Degrees to 70 Degrees F, For Use With Mfr. No. XCKD, XCKP, XCKT, XCMD