Unique Bargains Nylon Round Spacer Washer Unthreaded for M3 Screws Black 300Pcs 0.13x0.28x0.12 inch

Unique Bargains Nylon Round Spacer Washer Unthreaded for M3 Screws Black 300Pcs
Nylon spacers are strong and reliable, easy to install, and durable to use.
These spacers have advantages over the metal spacers. They are lighter, do not rust, and are less brittle, also widely used in electrical products.
It is used to protect the LED standing on the PC board, to keep the height consistent. And to prevent the joint from bending, twisting, and short-circuiting with middle partition design.