Features: Make of stainless steel and nylon, ensuring long term use in humid environments without rusting or corrosions. Its sturdy structure can withstand large weights, providing long-lasting and stable support for your shower room. The innovative design enables the pulley to slide silently and smoothly during use, even in frequent door opening and closing situations, maintaining quietness and not disturbing the daily life of family members. Suitable for various types of shower room glass doors, including sliding and folding types. The modern minimalist design not only provides excellent functionality, but also adds a senses of fashion to your bathroom space. Specifications: Component: Stainless Steel Type: Copper Small Hanging Wheel Without Clip/Copper Small Hanging Wheel with Clip Length: about 2.15cm/0.85inch Package Includes: 2Pcs Four Wheel Hanging Pulley Roller note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.