LIFETIME GAURANTEE !! DUAL FUNCTION DOOR BRACE works on hindged and sliding doors. NON-MARRING YOKE(removable for sliding glass doors). DESIGNED TO FIT MOST DOORS: Simple push button adjustment requires no tools. Extends to 46" HIGH STRENGTH STEEL TUBE: 20-GAUGE STEEL for greater strength. PADDED FOOT: Provides sre grip on most floor surfaces and protects against finish damage. PORTABLE: Collapses to 31" to fit in most suitcases and garmet bags.