Features: brand new and high quality For Gopro Hero 11 10 9 Xiaomi Yi 4K SJCAM DJI action cameras. Labor-Saving: Unique radian design, spin thumbscrew more labor-saving Durable: Strong stainless steel and durable high quality PC raw material production, more durable and solid, you can dive into the sea do not have to worry about rust. Easy to use: Can Connect Directly with the Waterproof case, Frame. What You Get: 1 x Long Thumbscrew or 1 x Short Thumbscrew. Specifications: Material: Aluminum Alloy+ABS Size: Long:5.4x1.8cm, Short: 4.1x1.8cm(optional) Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 x Thumbscrew