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 Recommended Gap Between Floor and Door Bottom: 0.95 cm Installation Flat bottom surface design requires no groove for the door. Install using two screws in the bottom bar. Pull the roller guides into place for easy setup. Recommended to attach the guide to wood studs or a solid wall; use high-quality drywall anchors if necessary. Usage Suitable for various environments including bedrooms, closets,