General description Set of 8 shower door rollers consisting of 4 upper rollers and 4 lower rollers, designed for smooth operation of glass shower doors, shower cabin doors, massage cabin doors, or sliding furniture fittings. The package includes screws and plastic covers for easy installation. Technical specifications Wheel diameter: 23mm Wheel width: 6mm Maximum glass thickness: 6mm Distance between the center of the mounting hole and the edge of the glass: 18mm Material: Brass and ABS plastic Installation Easy to install with included screws. Upper rollers are adjustable by 8mm. Lower rollers are self-adjusting. Usage Allows the shower door to slide effortlessly. Maintains balance of the door during operation. Other information Includes 4 upper shower door rollers, 4 lower shower door rollers, and 8 plastic covers.