4PCS Shower Door Rollers Runners Wheels Replacement Part Bathroom Glass Door Runner Sliding Shower Door Roller Wheel,19MM

Wheel thickness :5mm, comes with screws,steel part of the wheel: 9mm diameter x 3mm height;suitable for 4-6mm thick shower door | Roller diameter: 19mm, Inner hole: 4mm, fixed with M4 screw | 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