Lean pipe single piece joint, assembled into a set of joints according to the joint, the single piece joint is flexible and versatile, rich in flexibility characteristics, and not conventional. Various original documents can be reused. Surface treatment: The silver chrome plated joint is made of high-quality steel stamping, and the surface is treated with electrophoretic technology to increase the beauty of the joint, improve the durability and corrosion resistance of the product, and have good anti-static performance. (Note: This product only supports combination and matching with 28mm lean pipes)