This aluminum alloy knurled spacer is specifically designed for use in RC airplanes and quadcopters. The double-headed design allows for easy installation and secure connections between different components. Its lightweight nature makes it an excellent choice for maintaining the agility and performance of your quadcopter or RC airplane, ensuring a seamless flying experience. Features -Color:Black -Material:Aluminum alloy -Size:3.50X0.60X0.60cm/1.38X0.24X0.24in -Ultralightweight: the lightweight aluminum construction makes it easy to transport and handle, reducing fatigue during extended use and making it ideal for mobile projects -Enhanced stability: the knurled doublehead design provides stability and grip, ensuring that your connections remain secure and under various conditions -Sturdy: constructed from aluminum alloy, this female pillar is resistant to damage, ensuring longevity and reliability even in harsh environments -Easy assembly: designed for connecting aluminum pillars, this RC quadcopter standoff simplifies the assembly and disassembly process, making it ideal for diy enthusiasts and professionals alike -Wide application: suitable for a variety of outdoor activities and construction tasks, this multifunctional aluminum pillar standoff is a for any tool kit Package list: 1 x column