Stainless steel sliding patio door rollers with copper wheels offer a rust-resistant and durable construction. This tandem roller assembly features ball bearing wheels for smooth and quiet operation when opening and closing sliding doors. Designed to reduce noise, the rollers help minimize squeaks and rattles. Installation is simple and does not require complicated tools, making them ideal for replacing damaged or missing roller components on doors or windows. Suitable for various door types and thicknesses, these rollers work well in multiple sliding door applications, including barn doors and closet doors. Size: 5.9 x 3.4 x 3.7 cm (2.32 x 1.34 x 1.46 inches) Package includes: 2 sliding patio door rollers Note: Slight measurement variations of 1–2 cm may occur due to manual measurement.