[Name]: Heavy Duty Stainless Steel Hook Hidden Nest Mounting Bracket [Color]: Silver [Material]: Stainless Steel [Size]: 54mm x 30mm [Thickness]: 2mm [Screw Diameter]: 3.5mm [Screw Length]: 25 mm Package Content: 12 x Flush Mount Bracket 48 x M3.5 x 25mm screw 48 x Rubber stopper Application: Interlocking hanger can be used for hanging a picture frame, poster, mirror, painting oil, artwork, wall clock, bulletin board, etc. It can also be used as a loop to connect headboards, sectional sofas and other furniture. Installation: Simply attach the two shackles in the opposite direction. (from top to bottom) to the wall and to the the object, then insert them into each other. In addition, with this recessed mounting bracket, objects can be easily removed or hung on the wall at any time. any time. Note: Make sure the thickness of the thing or board you want to install the buckle on is greater than the length of the screw (25 mm), otherwise replace the screw with a shorter screw.Products from He Wei 's store