There are holders, and then there's the Grip-On Mounting System from On-Stage! It's the fast and easy way to mount your mobile device to everyday objects and surfaces. The u-mount® is the ideal balance of ease and hands-free convenience. Once you try the Grip-On u-mount ® holder, you'll want to use your mobile device everywhere! Includes 4 Grip-On Holders: Small holder grips: 2 ½" to 3 ½" Medium holder grips: 3 ½" to 5 ¾" Large holder grips: 5 ¾" to 7 ¾" Includes 360-degree ball joint with pull back release: 360 ° rotation, 30 ° tilt 3 drop down slots allow 90 ° tilt for more flexibility 8mm threaded stem and locking washer mate with u-mount ® boss Attaches/releases 360 ° Ball Joint assembly from the Mounting Post Locks in any of three rotational angles at the best starting position for your application Includes Mounting Post: Collar engages the quick release Pull Back Release Sleeve Post slides into hole in the Mounting Bar 5/8"-27 threading compatible with optional accessories Includes Presentation Grip: Soft EVA grip slides over mounting post Comfortable handle for mobile use Includes Mounting Bar: Patent-pending u-mount ® clamp secures to any round surface from 7/16 to 3/4 in diameter Attaches to mic stands, drum hardware, car headrests, rec chairs and much more , System Includes: Small Grip-On holder for devices 2.5"- 3.5"wide Medium Grip-On holder for devices 3.5"- 5.75"wide Large Grip-On holder for devices 5.75"- 7.75">Largest Grip-On holder for devices 7"-9" wide Pull Back Connector with 360° Ball Joint Mounting Post Large Mounting Bar Soft Presentation Grip The ideal balance of ease and versatility Try it anywhere! Mic stands, music stands, rec chairs, car headrests and more Mounting post functions for typing or viewing videos Compatible with standard 11-19mm round mic stand tubing. Perfect for reading sheet music, typing, and other activities. Use the Mounting Post as a comfortable handle Mounting Bar stays put while you're free to roam with your mobile device Mounting Post doubles as a monopod to prop your mobile device upon desktops or other flat surfaces Perfect for audio engineers, grade school teachers, AV presenters, and everyone in between Brand Name On-Stage Stands Model Number: TCM1900 TMP Item #: 12944 Series Name: UPC / EAN: 659814119486 Namm Category Name: Tablet case