Package Content : You will receive 2 camera shoulder strap screws and 2 camera shoulder strap hooks.The quantity you receive is enough for your daily use and replacement. | Easy to Use : You can quickly put on or take off your camera strap without wasting time messing with the strap and its parts. This strap screw adapter has a thread on the top for attaching your camera to a neck strap or shoulder strap. | Safe and Stable : This hook is stronger, rotates more smoothly, and has a lock to ensure the safety of the camera.giving you double confidence in protecting your valuable camera. | Excellent Material : The quick-release screw is finished in black nickel, the screws are made of aluminum alloy, which is strong and durable, available for you to use for a long time. | Advanced Rubber : Black anti-skidding rubber mat can efficiently prevent camera from loosening. Helping to keep it tight and protecting your camera from scratches.