Features: Elevates the functionality of your Glidings screen door with our 2 Pair Roller Assembly, designes to perfectly fit upper #1997063 and lower #1997310 models from 1991 to present. These rollers feature 1 1/4" concaved Wheel that ensures smooth operate, and the edges adjustable designs allows for a simple installation and alignment with your existing door setups. Suitable for homeowners look to replace worn out rollers or upgrades their current screen door for improved Glides and performances. Perfect for use in residential setting, these roller assemblies will enhances any patio, balconies, or porch area by ensuring your screen door open and close with ease. With easy to follow instructions and no special tool required, this roller assembly set is a hassle frees solution that will extend the and functionality of your Glidings screen door. Specifications: Material: steel+plastic Package Includes: 1 set Sliding Door Roller Assembly note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.