General description This set of 8 shower door rollers is designed for easy replacement of worn-out rollers, ensuring smooth operation of sliding doors. Made from nylon and copper, these rollers offer good elasticity and wear resistance. Technical specifications Wheel diameter: 27 mm Wheel thickness: 5.5 mm Total length: approximately 32 mm Recommended glass door thickness: 12 mm (compatible with 10~12 mm) Thickness range: 4-6 mm Installation Only a screwdriver is needed for installation and repair. Usage Suitable for shower doors, massage cabins, bathtubs, jacuzzis, and other furniture.