Feature: Convenient And Flexible: Commercial door stopper is more convenient and flexible than the plastic wedge doorstop. No more using your hands to hold the door open, just need to step on it. Kickdown door stop will attach to the door and can be engaged and disengaged with one foot while your hands are full of stuff. Door stop is sturdy and durable enough to hold open the heavy door and very easy to install. Maximum Durability: Doorstop made of flexible, soft, anti-slip rubber tip and high-quality zinc alloy material. Rubber tip features a saw-tooth profile at the bottom, so that door stopper will grip the floor tightly, silent anti-collision to use and prevent damage to the wall. Just make sure this doorstop contacts the floor in the right spot and right height. Flexible Adjustment: Stop the door whenever/wherever you want, you can control this at any angle of the door. The door stopper with spring design and no need to ever bend down to ever touching it, due to the foot operated, any position you can adjust. This doorstop will save you time and be a convenient assistant for you. Multiple Floors Applicable: Door stopper will prevent your door from moving, reduce the noise while closing door. Whether it is tile, vinyl, concrete or wooden floor, this commercial door stopper suitable for all kinds of places such as market, apartment, regular residential, solid interior door, garage, metal door. Specification: Material: Zinc Alloy, Rubber Size: Total Length: 100mm/4Inch Color: As the picture show Package List: 1 x Door Stopper