Features Strong Material: Sliding door pulley is made of high quality stainless steel and POM material, high hardness, good wear resistance and corrosion resistance, long service life. Small Friction: This bathroom sliding door roller has strong bearing capacity, good stability, small friction coefficient, good silence and good use effect. Main Use: The sliding door pulley has good practicality and is commonly used in the bathroom glass sliding door pulley. 6MM Aperture: The outer diameter of the stainless steel pulley is 38mm, the length of the base is 72mm, the thickness of the base is 13mm, and the installation aperture is 6mm. Easy To Install: Sliding door pulley has good overall performance, stable structure, simple and convenient installation, easy to complete the installation without complicated tools. Specification: Item Type: Sliding Door Pulley Material: Stainless steel, POM Wheel Outer Diameter: Approx. 38mm / 1.5in Base Length: Approx. 72mm / 2.83in Base Thickness: Approx. 13mm / 0.51in Installation Hole Diameter: Approx. 6mm / 0.24in (parameters are measured manually, there is a certain error) Package List: 2 x Sliding Door Pulley Note: Match the appropriate size before installation. Package List 2 x Sliding Door Pulley