SISI UK is one of the leading manufacturers and suppliers of world class quality hardware products in UK. SISI UK Ltd is a family run business that has been established for over 30 years. They are distributors of hardware, ironmongery, DIY, household, security and pest control products. They are well known for their fast and professional service. Picture and mirror plates are used for attaching picture frames or mirrors securely onto a wall or slanted wall. The plates usually attach to each side of the frame and two screws go into the back of the frame and one goes into the wall.