General description These premium rubber heavy-duty door stops are designed to provide reliable support for doors with a clearance of 0.4-1.18 inches (11mm-30mm). Made from high-quality certified rubber, they help protect hardwood and laminate floors from scratches and dents. The unique hollow design ensures that they wedge doors securely, preventing movement even in strong winds. Technical specifications Material: High-quality certified rubber Door clearance compatibility: 0.4-1.18 inches (11mm-30mm) Usage Suitable for various surfaces including tile, concrete, and hardwood floors Ideal for institutional, office, and home use