User-Friendly - The kickdown door stoppers are easy to use; simply step on them for quick release, without manual lifting. Door stoppers for the bottom edge of the door; you don't need to bend down or maneuver them with your hands, super convenient. The door stopper attaches to the door and can be activated and deactivated with a foot, allowing the door to remain open at the desired angle. Non-Slip Rubber Tip - The metal door stopper with the improved, strong rubber tip with rough teeth effectively stops the door and keeps it open, preventing the annoying slamming of the door. The door stopper adheres to all surfaces, such as wooden floors, concrete, tiles, and carpets. Robust and Durable - The robust, heavy-duty door stoppers are made of strong hardened steel with a black, rust-resistant coating, suitable for indoor and outdoor use. The door stopper is robust enough to hold both light and heavy doors open. Use the wall protectors for door stoppers to prevent impacts, extend the life of the door handle, and protect the wall from damage. Easy Installation - The door stopper comes with mounting screws; you only need a screwdriver and installation is complete within minutes. The 180mm door stopper can be used on various exterior and interior doors, such as French doors, patio doors, garage doors, shed doors, front doors, etc., or for DIY projects.