MMTC - 1KXS NEMA 4 Exterior Tamperproof Open-Close Key Switch Stop Button 

(Random Keyed) SURFACE MOUNT

OPEN-CLOSE with Center Return Key Switch with Stop Button, Mortise Cylinder, Tamperproof, H=4-3/8, W=4-1/8"", D=2-5/8"".

Keyed type: