from aluminum alloy, this L Clamp features 90 degree double quick release mechanism 1/4" screw thread compatibility systems Elevates your photography game with Right Angled Clamp, for Precisions and stability in every shot Whether capturings breathtaking panoramas, the ensures in various shootings environment for professional photographers and enthusiasts, the clamp for those to enhances their camera for better angled control Streamlined your workflows with Two quick release clamp, making between horizontal and vertical compositions efficient