Description This heat set insertis made of solid material, which can withstand long-lasting use. Features the copper material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. Features - Color: Golden -Material:Copper - Size: 0.80X0.80X0.60cm/0.31X0.31X0.24in Inner diameter: 1/4 inch - With female thread design, these heat set inserts are easy to install and use. - Made of sturdy copper material, these nut inserts are durable and reliable. - The internal threaded design can ensure a tight and secure in use. - Suitable for a wide range of applications, these Embedment nuts are versatile and practical. - Adoption of simple and convenient design, this product also can be used for a long time. Package list: 20 x nuts