Key Features1. Smooth Sliding: Wheels Provide Smooth, Effortless Sliding For Windows.2. Durable Construction: Made From High-Quality Materials, Such As Stainless Steel Or Nylon.3. Easy Installation: Simple Installation Process, Often With Screws Or Clips.4. Low Maintenance: Easy To Clean And Maintain, With Minimal Parts To Replace. Stainless Steel, Nylon, Or Other Durable Materials. Safety Features Withstands Heavy Use And Harsh Environments.Applications1. Residential Windows: Used In Homes For Smooth, Easy Window Operation.2. Commercial Windows: Used In Offices, Stores, And Other Commercial Buildings.3. Industrial Settings: Used In Industrial Environments, Such As Factories And Warehouses.4. Diy Projects: Used In Various Diy Projects, Such As Home Renovation And Repair.