The Ball Bearing Sash Window Pulley is designed to ensure the smooth and reliable operation of traditional sash windows. Featuring a precision-engineered ball bearing mechanism, it minimizes friction and wear, allowing for effortless movement of the sash cords. Built for durability, it provides strong and stable support for sash weights, making it ideal for both heritage restorations and new installations. Combining functionality with a timeless design, this pulley is a dependable choice for period and modern properties alike.