General description Set of 4 high-quality shower door rollers featuring a butterfly shape design. This set includes two top and two bottom rollers, ensuring smooth operation for your glass shower doors. Technical specifications Roller diameter: 23 mm Roller width: 5.5 mm Minimum hole size in glass: 11 mm Maximum glass thickness: 6 mm Distance between glass shower doors and 2 glass holes: approx. 26 mm Material: Chrome plated Installation Easy installation process Maintenance is straightforward Usage Designed for smooth and quiet sliding of shower doors