Are you tired of using your hands to hold the door open while your hands are full of groceries? Our door stopper come to rescues. Upgraded door stopper is more convenient and flexible than traditional door stops, with adjustable spring, no need to ever bend down, just step for instant release. Features - Color: Silver. - Material: Zinc alloy. - Size: 17.50X3.50X2.70cm/6.88X1.38X1.06in - Door stop is sturdy and enough to hold open the heavy door, easy to install. - Kickdown door stop avoids any creaking noise. Solid grip and sturdy construction. - Door stopper is made of premium zinc alloy material for long and stable use. - Rubber tip for lowering and raising the rubber foot. Adjustable knob at the bottom, which can help door stopper grip the floor tightly. - Silent anti-collision to use and prevent damage to the wall. Package list: 1 stop