General description These CSPARKV 25mm Shower Door Rollers are an affordable solution for extending the life of your shower door without the need for costly replacements. By simply replacing the rollers, you can ensure smooth operation and durability. Technical specifications Roller diameter: 25mm Material: Aluminum frame, large nylon wheels, plastic frame, stainless steel nuts Glass door thickness compatibility: 4-6mm Glass hole size: 10-14mm Height adjustment: Upper wheel adjustable by stainless steel screws up to 8mm Shipping quantity: 6 pieces Installation Easy to install and maintain Installed at the top and bottom of the shower door Usage Suitable for most shower rooms, steam rooms, and shower enclosures Provides smooth and noise-free operation when opening and closing the shower door