Round screw box for installation in cavity walls and connections; has metal claws for better grip; ideal for installing electrical mechanisms on the wall, such as switches, sockets, data connections, special features; universal link box round 67 mm for hollow walls. Designed for wall mounting and for the installation of all types of electrical works. Features metal claws with screws to improve grip. Made of orange ABS plastic, with 4 holes for cable entry. Size: 67 x 76 x 44 mm. Ideal for installing switches, controllers, sockets, data ports