Features: <br>Aluminum alloy material, integrated body design, CNC processing, anodic oxidation surface treatment. <br>Built-in high contrast bubble level, ensure the accuracy of vertical or horizontal photography. <br>Knob type operation design, more convenient to connect your PTZ, bracket, tripod, monopod, etc. <br>Easily recognizable laser engraving scales on both sides. <br>Compatible with all AS quick release boards, fit for Arca SWISS, RRS, KIRK, WEMBLEY, MARKINS, SUNWAYFOTO, Benro, SIRUI and other PTZ. <br>Function: Fast connection system of mirrorless camera, SLR. <br> <br>Specification: <br>Material: Aluminum alloy <br>Color: Black <br>Thread: 3/8" <br>Dimensions: 7.5*4.7*1.4cm / 2.95*1.85*0.55in <br>Weight: Approx. 88g / 3.1oz <br> <br>Package list: <br>1 * Quick Release Clamp <br> <br>Note: <br>1. Due to the difference between monitors and light effects, the pictures may not reflect the actual color of the item. <br>2. Please allow slight error due to manual measurement. Thanks for your understanding.<br>1、Aluminum alloy material, integrated body design, CNC processing, anodic oxidation surface treatment. <br>2、Built-in high contrast bubble level, ensure the accuracy of vertical or horizontal photography. <br>3、Knob type operation design, more convenient to connect your PTZ, bracket, tripod, monopod, etc. <br>4、Easily recognizable laser engraving scales on both sides. <br>5、Compatible with all AS quick release boards, fit for Arca SWISS, RRS, KIRK, WEMBLEY, MARKINS, SUNWAYFOTO, Benro, SIRUI and other PTZ.