General description The adjustable door floor guide is designed for frame sliding doors, featuring scratch-resistant wheels with ball bearings. Its silver surface not only enhances its aesthetic appeal but also provides scratch resistance and rust protection, ensuring long-term use both indoors and outdoors. Technical specifications Adjustment range: 10 mm–35 mm Suitable for door thickness: 30 mm to 60 mm Material of roller wheel: Sturdy plastic Installation Easy installation with adjustable distance according to door thickness Tighten screws to secure the guide No drilling required, preventing wall damage Usage Compatible with automatic doors, sliding doors, frame doors, wooden doors, and metal doors Rolls quietly and smoothly to prevent door scratching Simple and beautiful design for a seamless look