Specifications High-concerned chemical:None Model Number:M3/M4/M5/M6/M8/M10 DIY Supplies:Metalworking Material:Nylon Origin: China p{margin-block-start: 0; margin-block-end: 0} Screw cover kit: You will receive 110 hexagonal acorn cap nuts, including M3-30pcs, M4-30pcs, M5-20pcs, M6-10pcs, M8-10pcs, M10-10 pieces Durable and reliable: Our acorn caps are made of PA66 material, ensuring long-lasting performance and wear resistance Enhanced security: Our acorn caps have excellent insulation and flame retardant properties, providing additional protection for the covered wires and allowing you to rest assured Smooth and stylish design: Our acorn cap's circular dome head provides polished and professional finishes for your project, adding a touch of elegance. Easy to install: Featuring an external hexagonal design, our acorn cap ensures quick and worry free installation, saving you time and effort Multi functional applications: Suitable for various types of nuts, our cover nuts are the ideal choice for fixing and securing bolts, ensuring a safe and stable connection