Overview:ABS material High quality & safe to use Custom size ranges: Maximum width 62mm; Minimium width 42mm (Adjusted by a push button & wheel gear)360 degree swivel Any rotation viewing angle Compatible with iPhone 4/3G/3GS, Other cellphones with width from 42mm to 62mm Soft pad is attached on the holder slot to protect your devices from scratch Specification: Weight Approx:110g Size Approx:10 x 7.5 x 7.5