Improve the functionality of your shower door with these double zinc alloy shower door rollers. This set of 4 rollers, consisting of 2 upper and 2 lower double rollers, is designed for smooth and quiet operation of your shower door. Suitable for glass with a hole diameter of more than 12 mm, these rollers offer a reliable and durable solution for your shower. Benefits: Durable material: Made of high-quality zinc alloy for a long service life. Easy installation: The rollers are held in place with a screw, ensuring a secure attachment. Aesthetic design: The chrome-plated plastic cover makes the rollers not only functional but also attractive. Easy to clean: The smooth surface ensures that dirt and limescale are easy to remove. Product features: Roller glass hole diameter: >12 mm (0.47 in) Wheel thickness: 6 mm (0.23 in) Diameter: 23 mm (0.9 in) Glass thickness: 4-8 mm (0.15-0.31 in) With these rollers, you ensure optimal operation of your shower door, making your daily routine even more pleasant. Product specifications: Material: Alloy Color: S-4