This hone clamp is suitable for various smartphones whose width within 5.2 - 8cm/2 - 3.1". The 1/4" screw holes help to mount on tripod/monopod/selfie stick easily. Features: Clamp width adjustable from 5.2 - 8cm/2 - 3.1", well fit for most smartphones. With non-slip soft rubber to protect your smartphone. With 1/4" screw hole on the bottom and back, mount it on tripod/monopod/selfie stick easily. Small size and light weight, easy to carry and store. Specifications: Material: ABS Clamp Opening Distance: 5.2 - 8cm / 2 - 3.1" Item Size: 7.2 * 3.5 * 2.4cm / 2.8 * 1.4 * 0.9" Item Weight: 30.5g / 1.1oz Package Size: 7.4 * 3.7 * 2.8cm / 2.9 * 1.5 * 1.1" Package Weight: 35.5g / 1.3oz Package List: 1 * Phone Clamp Note: Only the phone clamp is included