Description: 【Locking Mechanism】: This door stopper features a unique design. Once locked, it firmly secures the door panel, even against strong wind up to 10 level 【Adjustable Height Design】: The height of the door stopper can be adjusted according to the interval of your door, with an adjustable range of 10 mm - 20mm 【Wind Resistance】: The door stop holder effectively help doors from being blown open in strong wind conditions 【Premium Material】: The door stopper is made of premium zinc alloy material, wear resistant, sturdy and has a long service life 【Wide Applications】: The door stop wall protector is suitable for office, home, bedroom, living room, washroom, dining room, etc. Small and compact size, will take up less space or affect the appearance Specification: Material: Zinc Alloy Size Chart: 4 cm x 6.2 cm / 1.57 inch x 2.44 inch Package Includes: 1 Door Stopper 2 Acrylic Adhesive Tapes Without Words 1 Installation Auxiliary Paper Card 3 PP Bolts 5 Screws 1 Wrench 1 Instruction Manual