CCYKXA Zinc pulleys for sliding windows and doors, double roller doors, silent and smooth angle adjustment

Simplified Installation: Choose between slotted or flat rollers in a tool-free installation process, suitable for PVC doors and windows, offering a seamless installation experience with no visible gaps once properly installed. Silent Technology: Experience exceptionally smooth and stable gliding without metallic noise, ensuring even pressure distribution for perfectly silent movement that enhances your everyday life. Frictionless Gliding: Optimized for regular use on windows, this bearing significantly minimizes friction, allowing for quiet and effortless movement while maintaining smooth and uninterrupted gliding action. Double Wheel System: This sliding door bearing incorporates an automatic angle adjuster that improves gliding smoothness and reduces vibration for increased durability, while correcting alignment with its balanced double wheel mechanism. Robust Zinc Performance: Effectively combats rust and moisture with its zinc construction, providing extended bearing durability.