Uxcell Round Spacer Washer 200 Pack Nylon 4.2mm ID x 7mm OD x 12mm L for M4 Screws Block Black

The Round Spacer washer is used to keep boards at a consistent height and prevent the joint from bending twisting and short-circuiting with a middle partition design. Fit for 3D Printer TV Wall Mounting Electrical Outlet Pegboard Robot Quadcopter Computer. Advantage Made of nylon material which is lightweight and durable non-conductive non-rusting and corrosion-resistant. Instruction These spacers have advantages rather than metal spacers. They are lighter do not rust and are less brittle also widely used in electrical products. NOTE: Please check the size carefully before purchasing if you are concerned.