With standard 1/4" threads, scale plate and built-in bubble level, very convenient for use. Jaw can be opened from 37mm to 42mm, suitable for any Arca style plate such as RRS, Wimberley, Jobu Design, Arca , Kirk, Markins, etc.

Features:
Made of alloy, very and sturdy.
Standard 1/4" threads, can be directly mounted on 1/4" thread of devices.
loading base with antiskid lock function.  
With scale plate and built-in bubble level, very convenient for use.                               
Jaw can be opened from 37mm to 42mm, suitable for any Arca style quick release plate.

Specifications:
Material: Alloy
Color: Black
Item size: 7.8 * 5 * 2.0cm / 3.1 * 2 * 0.8in
Item Weight: 88g / 3.1oz
Package Size: 8 * 5 * 3cm / 3.1 * 2 * 1.2in
Package weight: 91g / 3.2oz

Package List: D1825-2
1 * Clamp for Quick Release Plate
1 * 1/4" Screw