Stanley Hardware SP7092 Spring Doorstop in Antique Brass Base plate detaches from the spring for installation The wide base provides better spring support Steel with rubber bumper LifeSpan Limited Lifetime Warranty Flexible design for safety and ease of cleaning Spring doorstop features an extra-heavy spring to protects walls from rapidly opening doors Flexible design for safety and ease of cleaning Made from steel with antique brass finish Base plate detaches from spring to simplify installation Projection: 2-13/16 inches; 2-pack