1 set of 12mm CNC Super Light and Strong Aluminum Clamp for Carbon Fiber Tube. This is a must for your DIY multicoptor. CNC parts are much lighter and stronger than regular aluminum parts, which is essential to keep your multirotor as light as possible and increased reliability. This auction is for 1 set of 12mm clamps with bolts and nuts as shown in picture. You may purchase other sizes by clicking on the following link: 12mm aluminum clamps 16mm aluminum clamps 20mm aluminum clamps 22mm aluminum clamps 25mm aluminum clamps Now I have the CNC aluminum clamps available. They are super light and strong that is ideal for a light weight and reliable multirotor platform. 12mm CNC Super Light Aluminum Clamps 16mm CNC Super Light Aluminum Clamps 20mm CNC Super Light Aluminum Clamps 22mm CNC Super Light Aluminum Clamps 25mm CNC Super Light Aluminum Clamps Shipping Policy: Domestic shipping will take 2-3 business days to ship out and will take an additional 2-7 business day to deliver once shipped out. International shipping will take 1 to 6 weeks to deliver depending on different country. Thanks and happy bidding!