Yinpecly Floating Shelf Invisible Support Brackets Specifications Product Name: Floating Shelf Brackets Brand:Yinpecly Material:Iron+Nylon Applicable Aperture: 10mm/0.39 inch Diameter: 10mm/0.39 inch Length: 100mm/3.94 inch Wood Opening: 10mm/0.39 inch Depth: 100mm Wall Opening: 12mm/0.47 inch Depth: 73-75mm Description 1. The expansion pipe needs to be installed on the wall by drilling holes. 2. Rotate the screw when the knob screw is installed, so that the expansion tube is installed in the wall. 3.The bracket is hidden in the board, which saves space and does not occupy any space for beautiful use. Installation Steps 1.Now there is a hole in the wall(Aperture and depth are the size openings purchased in the sentence) The hole distance is measured according to the length of the board. 2.After opening the hole, insert the expansion tube into the hole and fix it on the wall. 3.Drill holes on the board (the hole diameter and depth are based on the purchased size). The hole distance is according to the distance from the wall. 4.After opening the hole in the board, insert the shelf bracket into the board and push it in. Package Content2PCS x Floating Shelf Brackets