You Will Get 4pcs Shower Door Roller , Comes with 4pcs M4 Screw.
Wheel Thickness 5mm, Diameter 19mm, Inner Hole 4mm, Fixed with M4 Screw . Suitable for 4-6mm Thick Shower Door.
The Pulley is Made of Copper +pom Wheel, and the Screw is Made of Stainless Steel,corrosion Resistance and Rust Resistance,it Has Good Comprehensive Performance.
Pulley Bearing Capacity, Good Stability; Small Friction Coefficient, Good Mute Effect.
Easy Installation, Often Used for Bathroom Glass Sliding Door Pulley/sliding Track.