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 black chrome plated joint is made of high-quality steel stamping, and the surface is treated with chrome plating technology to increase the beauty of the joint and improve the durability and corrosion resistance of the product. (Note: This product only supports combination and matching with 28mm lean pipes)