
Type: 4 rollers for shower door. Wheel thickness: 5mm. Comes with screws. Suitable for 4-6mm thick shower door. Roller diameter: 19mm, inner hole: 4mm, fixing with M4 screw. The pulley is made of copper + POM wheel and the screw is made of stainless steel. Corrosion and rust resistant steel, good all-round performance. Pulley bearing capacity, good stability, small friction coefficient, good damping effect. Easy installation, often used for bathroom sliding glass doors.