General description Replace your old rusty rollers with these 25mm shower door wheels to ensure your glass door slides smoothly. Ideal for various applications including shower doors, massage cabins, bathtubs, and jacuzzis. Technical specifications Roller diameter: 25mm Roller thickness: 5.55mm Total length: approx. 32mm Glass door hole diameter: 10-12mm Glass door thickness: 6mm Screw size: M6 Screw length: 14mm Compatibility and accessories Compatible with shower doors, massage cabins, bathtubs, jacuzzis, and other furniture. Installation Before installing, apply silicone grease (not included) on the surface of the glass door rollers to extend their service life.