Features Contact module adopts a modular structure, which make the contact highly reliable You can replace all components on the back of panel just by using a screwdriver for simple maintenance Contacts are made of silver‑copper composite materials, the current is up to 10A Using imported materials, the flame retardant rating is up to V0, safe and reliable Unique designed terminal is safe to touch without possibility of electric shock, and also prevent screws from falling off Feature: 1. Unique waterproof device ensures up to IP65 protection level, waterproof and dustproof 2. Contact module, base frame and button head is connected by internationally accepted non‑fastener self‑locking, which is safe, reliable, convenient for disassembly and assembly, and possess a long service life Specification: Item Type: Emergency stop box Specification: 5 x Emergency stop box, 20 x screw Hole Diameter: Approx. 22mm / 0.9in Package List:5 x Switch Control Box20 x Screw Package List 5 x Switch Control Box 20 x Screw