I'm selling this item because I couldn't use it at home after installing it. It's practically new, as I only tried installing it. Fixes with a step. Release by pushing the door "pop" | Smoothly usable door stopper Fixing is instant, just one step to step on the pedal. Release is also instant. Just push the door outward "pop" without touching the stopper directly. 【Installation Conditions】 When the door is opened about 90 degrees, the gap from the bottom of the door to the ground is within 5cm. ※ There is a gentle slope outside the entrance. Please measure before purchasing. 〇 Usable Doors ・ Doors that magnets can attach to (Iron doors, wood-grain doors, etc., iron doors with sheets) ※ Depending on the thickness of the sheet, it may not attach, so please check beforehand if a magnet will stick. 【Design】 The simple and stylish design matches any interior. The black color gives a sophisticated impression. - Brand: marna - Product Name: Door Stopper - Model Number: W662 - Color: Black Thank you. Marna Door Stopper makuake