Description:120pcs  Black Hex Nuts Nylon Nuts Assortment Kit M2 M2.5 M3 M4 M5 M6<br>Specification:Material : steel<br> Finish: Black Size: M2 to M6                Size         High         Length         Inner diameter         Quantity               M2         1         4         2         20               M2.5         2         6         2.5         20               M3         2.5         6.5         3         20               M4         3         8         4         20               M5         3.5         9         5         20               M6         4.5         11         6         20          Features:  Never rust， beautiful，practical， durable and convenient for using.  Packed in a plastic box， good for storage and difficult to damage.  The easy-to-use nut is ideal to securely fasten a bolt when connecting materials.  Nylon has the characteristics of insulativity，Non-Magnetic，thermal insulation，corrosion resistance and etc.      Packing inclued:  1x 120pcs Nylon Screw Nut Set