Features SMALL FRICTION AND MUTE: The pulley has strong bearing capacity and good stability; the friction coefficient is small, and the mute effect is good DURABLE MATERIAL: Pulley adopt good quality material, wear resistant, durable and corrosion resistant, possess long life GOOD PERFORMANCE: Sliding door pulley is made of stainless steel and POM material, has good comprehensive performance, and stable structure 6MM HOLE DIAMETER: Wheel outer diameter for 38mm, base length is 72mm, base thickness is 13mm, installation hole diameter for 6mm FOR FOR BATHROOM SHOWER: This pulley wheel is easy to install, commonly used in bathroom glass sliding door pulley, very practical 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