【Double layer anti slip design】We adopt a double layer door anti slip design, and the wavy rubber on the top can firmly grip the bottom of the door, preventing heavy doorstops from sliding. The bottom is equipped with a grid shaped rubber anti slip pad, with a double layer anti slip pad design that can be adjusted at any height. The rubber provides a firm grip on the floor and door, and will not move freely.<br>【Adjustable spring type door stop】Our door jammer door stopper is designed to be compatible with spring driven height adjustment, with an adjustment range of 0.8 inches to 3 inches to accurately match any gap between the door and the ground. Suitable for height adjustment of various doors, so you no longer have to worry about unsuitable door stops!<br>【Excellent grip】It is also very convenient to use. It is recommended to step on the protruding side of the foot to press the spring, and then slowly clamp the door. Rubber door stop suitable for Residential, Corporate, School, and Public Places. we open every heavy door for you to freely enter and exit, even if it's windy, the door won't move.<br>【High quality stainless steel material】Our heavy duty door stop is made of stainless steel, high quality material that can resist daily scratches and gloss loss. Waterproof and rust proof, unique brushed surface and rounded corner details treatment, will not scratch. Very suitable for use in homes, offices, and high traffic areas.<br>【Universal floor applicability】Our stainless brushed doorstops firmly grip all surfaces, including any flooring - smooth tiles, solid wood flooring, composite flooring, vinyl flooring, low plush carpets, and uneven concrete flooring - with excellent results.