Rotatable Safety Lock: There is a rotatable safety lock design on the carabiner hook, which can safely lock the hook and prevent the hook from being unscrewed by accidental touch. The hook on the top can be rotated 360 degrees, which is more flexible. Quick Mount Screws for Camera Strap has a strong load-bearing capacity and can withstand the weight of the SLR camera without worrying about the camera falling due to too heavy weight. Sturdy Material: Quick Install Neck Sling Strap Holder is made of durable zinc alloy and rubber, anti-rust and anti-corrosion, strong hook, smooth rotation, and can be used for a long time. Screw Washer: Camera Fixing Screw is equipped with a rubber screw washer, and rubber washer can cushion the pressure when tightening the screw to prevent the screw from loosening and scratching. Delivery Quantity: 2pcs, Package Contents: Only the above package contents, excluding other products. Size: 2.33x1.08inch (Reminder: The size is measured manually, please allow 1-2 cm measurement error) Color: black silver (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)