Check the listing for details. Peak E-Device Holder --Tablet and Smart Phone Universal Holder. Condition: New. Listed at 32.00 USD. The E-Device holder by Peak is a clamping system that can hold any electronic device from a phone up to an iPad Pro. Both clamps have silicon padding to make sure your device is held securely and safely.The device holder is extendable, and can be open from 5 1/4” to 11 1/4” (134mm to 285mm). The round clamp can hold onto a tube with a diameter from .7” to 1.25” (18mm to 32mm). It can also attach on to any flat surface that it can fit around. A great add-on to your music stand and mic stand!The holder can swivel on it’s ball joint to many different angles, as well as turning 360°. 360 degree rotationSilicon padding protection ( grip arms & clamp); Anti slipFits most of the smart phones & tabletsCamp on to any size of the tubes ( Dia.: 18mm-32mm) ex: Mic Stands, Music stands; Speaker Stands…etc.