Premium Material: The sliding door system is made of exceptional carbon steel and nylon, which are wear-resistant, corrosion-resistant, rust-resistant, sturdy and durable. Easy Installation: Flat bottom surface design, no groove required for the door, just install two screws in the bottom bar and then pull the roller guides into place. Practical Design: Smooth bearing slides easily, the bottom of the floor guide is flat and will not damage the door. Quiet design, the floor slides smoothly and quietly. Wide Applications: Adjustable sliding door rollers are suitable for door widths from 30mm to 84mm and can be used in bedrooms, closets, bathrooms, living rooms, kitchens, pantries, restaurants, garages, etc. Package Includes: You will receive 1 x guide; 2 screws; 1 Allen key; 2 ribbed plastic anchors; All necessary hardware is included, enough for your daily use. Product Information: - Product Name: Sliding Door Guide - Material: Carbon Steel - Color: Black - Guide Size: 12.2 x 6.3 x