Features: QR120 and QR120S optional; QR120 Includes 1xCamera Clamp Brackets;QR120S Includes 1xCamera Clamp Brackets and 1xQuick Release Plate; 1/4in - 3/8in female to male screw adapter fits for most DSLR camera monopod stabilizer round connnector. Built-in high contrast bubble level ensures the accuracy of vertical or horizontal photography. Made of wear-resistant aluminum alloy, can be used for long term ; Specifications: Material:Aluminium Alloy Option Type:QR120,QR120S; Package Includes: Package A:(A/B Optional) 1xCamera Clamp Brackets (QR120） Package B: 1xCamera Clamp Brackets（QR120S） 1xQuick Release Plate note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.