Function - This floor guide ensures top performance for your sliding barn and swing door. Application Area - Suitable for sliding door thicknesses from 1 to 1-3 / 8 inches. Please kindly refer to the measurement in the photo before purchasing. Easy to install - Mounting screws included, no drill required. It is easy for you to install the floor guide, it will not mess up your floor. Wall Mount Floor Guide - This guide attaches to the wall behind the door and out of sight, which will give your sliding door a clean look. Premium Material - The floor guide adopts premium carbon steel, which is sturdy, strong and durable. Description: This floor guide is designed for the sliding barn door to prevent the barn from swinging sideways. It mounts to the wall behind the door and requires no drilling in the floors. Specifications: Condition: 100% new. Material: Carbon steel Color: black & gt; Size (L x H x W): approx. 4.5 x 2.7 x 4.8cm / 1.77 x 1.06 x 1.89inch Weight: approx. 118g