Item Type: Gasket Material: Nylon Color: Black Quantity: 250Pcs Weight: Approx. 44g / 1.6oz M2(50Pcs)M2.5(50Pcs)M3(50Pcs)M4(25Pcs)M5(25Pcs)M6(25Pcs)M8(25Pcs) Inner Diameter2mm / 0.08in2.5mm / 0.1in3mm / 0.12in4mm / 0.16in5mm / 0.2in6mm / 0.24in8mm / 0.31in Outer Diamete5mm / 0.2in5mm / 0.2in8mm / 0.31in9mm / 0.35in10mm / 0.39in12mm / 0.47in16mm / 0.63in Thickness1mm / 0.04in1mm / 0.04in1mm / 0.04in1mm / 0.04in1mm / 0.04in1.2mm / 0.05in1.4mm / 0.06in Package List 50 x M2 Gasket 50 x M2.5 Gasket 50 x M3 Gasket 25 x M4 Gasket 25 x M5 Gasket 25 x M6 Gasket 25 x M8 Gasket 1 x Plastic Storage Box 1. Please allow 0& 8209;1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 1This gasket is made of highquality nylon material, which is durable. 2Kit contains 7 different levels of washers, M2 M2.5 M3 M4 M5 M6 M8. 3With storage box, different levels of gaskets can be stored separately. 4A total of 250 gaskets, easy to use and can meet the needs of daily use. 5Nylon flat washers have strong practicability and long service life.