Package - A total of 12 recessed mounting brackets, divided into 6 pairs; Equipped with 48 pieces m3.5 x 25 mm screw. Material - The hook and screws are made of high quality stainless steel, resistant to corrosion, durable and robust, and can support about 10 kg . Seamless - The screw holes on the support have a sinking effect that will completely hide the screws, and there is only a very small space between the wall and the objects. Easy to use - Simply attach 2 opposite shafts (up and down) to the wall and the object, then insert them into each other. Application - The interlock support can be used to suspend a photo frame, a mirror, an illustration, a wall clock and connecting bed heads, composable sofas, etc. [Name]: Heavy duty stainless steel hook mounting bracket of the hidden nest [Color]: Silver [Hardware]: Stainless steel [SIZE]: 54 mm x 30 mm [thickness]: 2 mm [Screw diameter]: 3.5 mm [Length of the screw]: 25 mm Package content: 12 x Recessed mounting bracket 48 x Screw M3.5 x 25 mm Application : The interlocking hanger can be used to suspend a photo frame, a poster, a mirror, an oil paint, illustrations, a wall clock, a display chart, etc. Simply fix the two shackles in the opposite direction (from top to bottom) to the wall and the object, then to insert them into each other. Moreover, With this recessed mounting bracket, objects can be easily removed or hanging on the wall at any time. Note: Make sure the thickness of the thing or the table. On which you want to install the loop is greater than the length of the screw (25 mm), otherwise replace the screw with a shorter screw.