30MM Command/52, Chrome Finish Heavy Duty,Watertight/Oiltight Complete Metal Unit Pushbutton Non-Illuminated Mushroom Head Cap, 1 3/4 (44.5 mm) Plastic, Blue 2Position Momentary 1NC Heavy Duty Contacts Rated A600/P600 UL Listed, CSA Certified NEMA 1,3,3R,4,12,13