Check the listing for details. New Emergency Stop Switch Push Button Mushroom Emergency Shut Off Switch Button. Condition: New. Listed at 7.99 USD. One (1) Brand New Emergency Push Button with Twist-to-ResetTwo (2) Switching Circuits: 1 Normally Open + 1 Normally Closed (DPST: Double-Pole-Single-Throw)Stackable Contacts: mix and match to suit your need (See picture below. Each switch ships with 2 contacts/circuits. Please purchase multiple switches to mix and match.)Contact Rating: 600V/10ANumber of Terminals: 4Panel Cutout Diameter: 7/8" (22mm)Depth Behind Panel: 1-3/4" (44.5mm)Button Diameter: 1-9/16" (40mm) Switch Box Sale! We offer discounted switch boxes to customers who buy switches. Click the box size that you need. 1 Hole 2 Hole 3 Hole 4 Hole 5 Hole 6 Hole Item will be shipped from Boston, MA and you will be able to receive it within a few days.Your satisfaction is guaranteed or your money back! Item may be returned within 30 days upon delivery for a full refund if you are not satisfied with the quality, no question asked!