Designed for Brompton Phone Mount. New 2018 version. Adjust the phone screen angle only once during installation, no need to readjust during Brompton folding or unfolding process (with Quick Release to release phone any time). Material : Machined Alumnum , Engineering Grade Plastic Capacity : 87*28*15.5mm Weight : 43g Added Features :Angle Adjustable Rotates for Landscape or Portrait Viewing Compatible with all TRIGO Smart Case