Metal Clasp Waterproof box,Plastic Electrical Boxes,waterproof enclosures,surface-mounted enclosure,Plastic Electronic Boxes. Plastic Electrical Boxes,light gray, lock type: Metal Clasp,surface-mounted enclosure. Details: 1)Reinforced sealing ring,the reinforced seal ring is elastic, not easy to break, and will not be deformed or yellowed after long-term use. 2)Buckle design, buckle hinge design allows you to easily open the box. 3)Can be locked, the box can be locked to prevent theft and protect your equipment. 4)Bracket,Box mounting bracket for easy fixing on the wall.