PRODUCT APPLICATIONSOur sliding door wheels are suitable for sliding glass doors, vinyl patio doors, screen doors, sliding doors and Windows, closets, and more.PRODUCT DETAILS INCLUDE Material: Galvanized Synthetic Steel Color: Gold Total Size: 110 73 25 mm / 4.33 2.87 0.98 (L W H) Secondary Length: 80 mm / 3.15 Wheel Size: 32 8 mm / 1.26 0.31(OD T) Mounting Hole Diameter: 5 mm / 0.2 Package Includes：2-Pack x Sliding Glass Door RollersPRODUCT ADVANTAGES1. Our sliding glass door roller replacement is made of galvanized synthetic steel, which is rugged, rust-resistant, and corrosion-resistant. It can withstand loads of up to 120 kg /265 lb, will work well after 100,000 cycles, is stable, and does not break easily.2. The ball bearings of patio door rollers effectively reduce rotational friction, making the opening and closing of the parts it is applied to smoother and more unobstructed. The rear adjustment screw can be quickly adjusted, and the installation is simple and convenient.INSTALLATIONRemove the old or damaged roller assembly from the sliding door and install the new sliding wheel. Please check the dimensions before purchasing.