Item Type: Joining Plate : Oxidation Purpose: Used for linear extension connection/overlapping connection between profiles Model: 2020-2 hole Length(.): 40mm / 1.6 inch Width(.): 18mm / 0.7 inch Hole distance(.): 20mm / 0.8 inch Thickness(.): 4mm / 0.2 inch The main parts are made of aluminum meterial, strong and Infinite positioning possibilities can achieve maximum flexibility in your own design Widely used in construction industry aluminum frame structure, very convenient 2-hole placement is designed for vertical joints, very practical Adopt advanced technology with excellent craftsmanship to bring smooth , which will not hurt your hands in work Material:aluminum colour: Package Contents: 10 * Joining Plates Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.