Black Nylon Washer M3 M4 M5 M6 M8 M10 M12 Plastic Round Flat Gasket Insulation
M3 Inner 3 X Outer 7 X 1.0mm
M4 Inner 4 X Outer 9 X 1.0mm
M5 Inner 5 X Outer 10 X 1.0mm
M6 Inner 6 X Outer 12 X 1.5mm
M8 Inner 8 X Outer16 X 1.5mm
M10 Inner 10 X Outer20 X 2.0mm
M12 Inner 12 X Outer 24 X 2.0mm
Package come with 2 pieces.