DescriptionThis is a set of inner hexagon threaded sleeve, which is made of premium carbon steel material, can serve you well. Fixed firmly, easy dissemble. Multi-functional furniture accessories, reliable quality, use with confidence, suitable for many household supplies and motor supplies.Features- Color: Black.- Material: Carbon steel. - Size: About 2.65X2.65X1.60cm/ 1.04X1.04X0.63inch. - Made of high-quality and environmental-friendly material, durable and practical for long time use. -Different specifications fit for different pipes, sufficient quantity, can meet your demands.-Excellent anti-rust and anti-oxidation properties, and can guarantee the long-life service. -Suitable for using in harsh environments such as high temperature, cold and high humidity. -Widely used in used for pipes, tubes, seal water pipes, water pumps and more.