General description The Heavy Duty Door Stopper is an adjustable spring stopper designed to accommodate various door heights. With a height of 3 inches (75mm), it can fit doors with a floor clearance ranging from 0.5 to 3 inches. This doorstop is ideal for heavy doors and features a non-slip design to ensure stability. Technical specifications Height: 3 inches (75mm) Adjustable floor clearance: 0.5 to 3 inches Material: Stainless steel and durable rubber Installation Step on the raised side of the foot to compress the spring. Slowly clamp the door to complete the installation. Usage Suitable for all surfaces including cement, carpet, wooden floors, and tiles. Provides a firm grip without sliding.