Safety——Great tripod mount to feature groove clamps and adjustable locking mechanism with a steel bolt (not a spring).
Great wide applicability——fits any smartphone from 2.2" to 3.9" wide, almost any phone on the market. with or without a case: Compatible with Apple iPhone 6 Plus, Samsung Note II or III, HTC One X, Google Nexus 6, Nokia Lumia 920/1020/1520, Sony Xperia Z and many other brands and models. (For smaller phones including iPhone 3/4/4S/5/5C/5S/6, please choose RetiCAM Smartphone Tripod Mount - Standard Size, ASIN: B00FS5L9D4).
Mounts on any standard tripod (1/4-20) .
Phone is well protected by High density EVA pads and nothing contacts your phone's screen.
Made of high strength Nylon. A very nice item with good cost performance.