145 Pcs Plastic Cap Bolts, Hexagonal Cap Screw Nut Bolt Protection, 6 Sizes M4 M5 M6 M8 M10 M12 with Black Box

[VARIOUS SIZES]: 6 sizes rubber hex protection nut, M4 (50pcs)/ M5(30pcs) / M6(20pcs) / M8(10pcs) / M10(20pcs) / M12 (15pcs), total 145 pieces.

[MATERIAL]: high quality PE plastic screw cap bolt cover, strong and durable, not easy to deform.

[MULTI-FUNCTIONAL]: black protective cap provides effective protection while improving the finished appearance of the product.

[REASONABLE DESIGN]: The nut cover can prevent screws and nuts from rusting and prolong the service life of screws and nuts, prevent scratches and injuries.

[EASY TO STORE]: bolt nut to dome Comes with a box for easy storage and carrying, clear classification, you po