M4 Brass Hexagonal Hollow Spacer / Stand-off with Thread 4x6 cm It includes lots of sensors

It includes lots of sensors and other components

can be used to achieve greater sound effects

2 x SX125 x Tx/Rx front-ends high/ low frequency

ensuring balanced thrust and smooth flight performance

M4 Brass Hexagonal Hollow Spacer / Stand-off with Thread 4x6 cm It includes lots of sensorsBrass material, not easy to deform, long service life. It is easy to install and disassemble, which can be used for a long time. Can also use it as a replacement for the old or broken one. That they not only provide stable support but also allow for quick and effortless installation. Widely used in machinery industry, industry, test equipment, communications, engineering machinery, and other fields Model Number : M4 Length Options: 10,15, 20, 25 &