Premium Material: The 0C5Y00P0 Sliding Patio Door Roller is made of high quality stainless steel and high strength steel balls for durability and smooth, quiet operation, ensuring that the sliding door glides freely. Each roller can hold up to 265 pounds and has been tested to withstand 100,000 pressure slides Universal Compatibility: Designed specifically for the P-ella sliding door series, it fits all models from 1992 to the present and is a direct replacement for the old rollers with no modifications required Height Adjustable Design: Adjusting the roller height with a simple Phillips screw easily solves the problem of hard-to-move or scuffing noises, allowing the door to glide more smoothly and quietly Improved Functionality: Fix harsh sounding, stuck or hard to slide patio doors and enjoy seamless access to your outdoor space After-Sales Service: We strive to provide quality products and services. If you encounter any problems during the shopping process, we will try to resolve them for you 0C5Y00P0 Patio Sliding Door Rollers are compatible with P-ella Patio Sliding Doors, fits 1992 and current years. Please check product dimensions before purchasing. If your door is difficult to move and makes a harsh sound when opening or closing. Sometimes it also jams, you may need to replace the rollers. Our sliding patio door rollers are designed to allow self-adjustment of the roller height, which can be accomplished with just a Phillips screwdriver.