This tandem sliding patio door roller is a reliable product from Prime Line Products. It is made of high-quality steel and is adjustable to fit your needs. The package comes with 2 rollers, which is suitable for a patio door. The model number for this product is D1551.

The roller is designed for smooth and effortless operation of your patio door. It is suitable for various types of patio doors and is a great addition to your home improvement. Get your hands on this Prime-line adjustable roller to upgrade your patio door's functionality.