The 15mm Double Hole Tube Clamp Rails Connectors aluminum alloy, ensuring long performances for your photography and videography needs for both amateur and professional photographers and videographers, this clamp for anyone lookings to enhanceds their shootings This Connectors features Double hole, providing secure and stable attachment for your equipment, making it essential accessory in any professional studio Enhanceds your creative workflow with tube clamp, to seamlessly integrate into your existing while offering unparalleled stability and for use, from home studios to on location shootings, this Connectors ensures your gear remain securelys in place, allowing you to capturing the shot