?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 Swiss£¬ Kirk£¬ Markins£¬ etc.<br> <br> <strong>Features:</strong><br> Made of aluminum alloy£¬ very durable and sturdy.<br> Standard 1/4" threads£¬ can be directly mounted on 1/4" thread of devices.<br> Fast loading base with antiskid lock function. ?<br> With scale plate and built-in bubble level£¬ very convenient for use.????????????????????????????? ?<br> Jaw can be opened from 37mm to 42mm£¬ suitable for any Arca style quick release plate.<br> <br> <strong>Specifications:</strong><br> Material: Aluminum Alloy<br> Color: Black<br> Item size: 7.8 * 5 * 2.0cm / 3.1 * 2 * 0.8in<br> Item Weight: 88g / 3.1oz<br> Package Size: 8 * 5 * 3cm / 3.1 * 2 * 1.2in<br> Package weight: 91g / 3.2oz<br> <br> <strong>Package List:</strong><br> 1 * Clamp for Quick Release Plate<br> 1 * 1/4" Screw