This Magnetic Door Holder is a 3" solid brass holder designed to keep doors open. It easily installs on the wall or floor and is great for adding convenience and hands-free access to any room. Durable and reliable, you'll be sure to benefit from its strong magnet and reliable hold. Specifications Material Brass Mounting Location Wall, Floor Length 3" Base Diameter 1-3/4" Catch Diameter 1-1/4" Catch Projection 7/8" Mounting Hardware Included Yes