Features: 1/4" to 3/8" screw adapter, it is easy to assemble and disassemble manually; It is suitable for camera adapter screw, tripod adapter, etc. Anti-rust, anti-corrosion, sturdy and durable. Complete thread, easy to install and stable. It has excellent workmanship. Specifications: Material:Aluminum Color:Black Option Type:LS111,LS112; Size:as shown in the figure LS111 Camera Screw Adapter Size:Approx.29x28mm/1.14x1.1in LS112 Camera Screw Adapter Size:Approx.24.8x32mm/0.98x1.26in Note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x1/4" to 3/8" Camera Screw Adapter