Premium Material: The sliding door system is made of exceptional carbon steel and nylon materials, which are wear-resistant, corrosion-resistant, rust-proof, sturdy and durable for long-term use. Easy to Install: Design with a flat floor surface, no groove required for the door, just fix two screws in the bottom strip, then pull the roller guides into place. Practical Design: The smooth bearing can slide easily. The bottom of the floor guide is flat and does not damage the door. Muffler design, the floor slides smoothly and quietly. Wide Applications: The adjustable sliding door rollers are suitable for door width from 30mm to 84mm, can be used in bedrooms, wardrobes, bathrooms, living rooms, kitchens, pantries, restaurants, garages, etc. Package Includes: You will receive 1 x guide; 2 screws; 1 hex 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 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) Package Includes: 1 x Barn Door Floor Guide Kit Features: - Our adjustable sliding door roller guide is compatible with sliding gates that will keep your stable gate running for several years. - A sliding closet door guide Improved, which is adjustable and can fit door leaf from 30mm to 84mm. - With this adjustable floor roller guide, you don't need to drill holes in the floor or cut width in the bottom doo. Easy to install. - There should be a gap of 0.95 cm between the floor and the door floor. The guide sits completely flush with the floor (if necessary). - It is recommended to fix the guide to wooden bolts or a solid wall. If you cannot fix them to a solid wall, use high-quality drywall anchors.