General description The Sliding Door Floor Guide is an 8-in-1 adjustable roller guide designed for sliding doors. Made from premium carbon steel and nylon, it offers exceptional durability and resistance to wear, corrosion, and rust. This guide ensures smooth and quiet operation, making it ideal for various applications in homes and businesses. Technical specifications Material: Carbon Steel Color: Black Guide Size: 12.2 x 6.3 x 5.1 cm (L x H x W) Large Wheel Size: 4.2 x 1.9 cm (Diameter x Height) Small Wheel Size (2x): 2.1 x 4.1 cm (Diameter x Height) Compatible Door Widths: 30 mm to 84 mm Installation Flat bottom surface design requires no groove for the door. Install using two screws in the bottom bar and pull the roller guides into place. Recommended to attach the guide to wood studs or a solid wall. If not possible, use high-quality drywall anchors. Ensure a gap of 0.95 cm between the floor and the door bottom. Usage Suitable for various environments including bedrooms, closets,