Strong and Durable: Heavy-duty door stopper made of stainless steel with rubber components, providing a waterproof and rust-proof design. This sturdy metal door stopper is built to withstand heavy use and is suitable for heavy-duty doors. Adhesion and Non-Slip: Door stoppers for the bottom of the door feature rubber on both the top and bottom to prevent sliding. The rubber provides a firm grip on floors and doors, ensuring stability even in strong winds. Adjustable Design: This door wedge stopper has a spring-loaded mechanism that adjusts to fit door gaps from 1 inch to 3 inches. Unlike shorter models, this adjustable stopper provides reliable performance for various door types. Excellent Door Stop: Suitable for commercial swinging doors, metal doors, double doors, self-closing hinged doors, and balcony doors with larger gaps. Works well on glass doors, carpet, parquet, and tile surfaces. Safe and Sturdy: Automatically adjusts to the gap, ideal for use in commercial, residential, garage, corporate, public spaces, and schools. Holds heavy doors open and prevents them from closing due to wind. Color: Black Material: Stainless Steel Package Contents: 1 x Door Stopper Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.