The HERCULES DG200B Smartphone Holder features a versatile design to accommodates all smartphone devices from 43.5 mm to 90 mm (1.7" - 3.5"). Features: Fits all smartphones or devices of width from 43.5 mm - 90 mm (1.7"~3.5").360° Ball-joint Design adjusts a full 360°angle easily. Fits round tubes of 15.8 mm - 25.4 mm (0.62"~1") and square tubes of 19 mm (0.75"). *Strongly recommended to use without tablet cover or case. Get the latest iOS and Tablet accessories right here at Sam Ash Music! With