Features Using imported materials, the flame retardant index is up to V0, safe and reliable The contacts are made of silver-copper composite materials, the current can reach 10A The unique design terminal can be touched safely without the risk of electric shock and also prevents the screws from falling off. The contact module adopts modular structure, which makes the contact very reliable You can replace all components on the back of the panel by simply using a screwdriver for simple maintenance Specification: Item Type: Emergency Stop Box Specification: 5 x emergency stop box, 20 x screws Hole diameter: approx. 22 mm/0.9 inches. Features: A unique waterproof device ensures a level of protection up to IP65, waterproof and dustproof The contact module, base frame and button head are connected by internationally recognized self-locking system without fastening, which is safe, reliable, convenient for disassembly and assembly, and has a long service life Package list: 5 x Switch Control Box 20 x screws. Package List 5 x Switch Control Box 20 x Screw