Thick 304 Stainless Steel Material: The magnetic door stop is made of thick 304 stainless steel, which is rust-proof and corrosion-resistant. The thick material makes it durable and strong and provides a long service life. Adjustable Design: Universally adjustable door stop. You can adjust the height of the door stop by screws. It fits the gap between the door and the floor from 5.5 to 30 mm. If it exceeds this range, it may not be compatible. Strong Magnetic Force: The powerful magnetic door stop can effectively help hold the door open firmly, especially suitable for large office doors. It also prevents the door from slamming by the wind and avoids the door from closing suddenly. Polished and Metal Processing Surface: The invisible door catch has a smooth edge and surface with the polished finish and wire drawing process, which is designed to resist daily scratches and corrosion. The floor mounted door stopper is small in size and invisible which brings a modern and elegant style to