Welcome to our store! Durable material: aluminum alloy rivet nuts, with good corrosion resistance, water resistance and rust resistance, and can be used for a long time . Various sizes: We have four sizes of M4, M5, M6, M8, so you have different choices in different situations and different needs. Precision design: The blind rivet nut has a precise thread design inside, so it is very compatible with the screw, the fixing effect is better, it is not easy to fall off, and the effect of assembling the article is more stable. Easy to install: Round thread rivets have a knurled shape that increases friction with the contact surface compared to ordinary nuts, and they can be easily installed in many different materials . Widely Used: Rivet nuts can be used in a variety of materials such as steel, plastic, fiberglass and wood. They can also be widely used in automobiles, furniture, handicrafts and other industrial products. Please confirm the size before purchasing! Delivery quantity: 100 Pcs Product color: Silver Product size: m4 M5 M6 M8 Note: Manual measurement, please allow 1 - 3cm error!!! 100% satisfaction - Our customers are our priority. If you find any problems with the products after receiving the goods, such as damage and incorrect quantity, please contact us immediately. We do our best to provide you with satisfactory after-sales service.