These stainless steel sliding screen door rollers are designed to provide smooth and effortless operation for your patio doors and windows. Crafted from stainless steel, copper, these rollers ensure performance and resistance to wear and tear. Ideal for replacing worn-out or damaged rollers, they help maintain the functionality of your sliding doors and windows. Features -Color:Multi -Material:Stainless steel, copper -Size:4.00X1.20X1.00cm/1.57X0.47X0.39in -Wheel diameter: 12 mm -Hole spacing: 30 mm - material: these rollers are built to last, offering long term reliability and resistance to wear and tear -Lightweight design: the screen wheels are lightweight, making them easy to push and pull, enhancing the overall user experience -Smooth operation: the roller design ensures smooth and stable movement, reducing friction and noise for a quieter operation -Versatile use: suitable for both screen doors and windows, these rollers are easy to install and use, providing convenience and flexibility -Noise reduction: designed to minimize noise and friction, these rollers ensure a quieter and more comfortable environment Package list: 4 x pulley wheels 8 x screws