Dual Function Door Brace works on Hinged Doors and Sliding Doors. NON-MARRING YOKE: (Removable for sliding doors).Helps Protect against finish damage. DESIGNED TO FIT MOST DOORS: Simple push button ajustment requires no tools. Extends to 46" HIGH STRENGTH STEEL TUBE: 20-gauge steel for greater strength PADDED FOOT: Provides sure grip on most floor surfaces and protects against finish damage. PORTABLE: Collapses to 31 inches to fit most suitcases and garment bags.