Security Door Brace / Door Brace. Stops Home Invasions & Burglars. The OnGARD Door Brace Withstands up to 1775 Lbs of Violent Force. Not a Nightlock Nitelock THE STRONGEST DOOR BARRICADE IN THE WORLD. Withstands up to 2000 Lbs of Violent Force (Testing Available) Self-Install in Under 10 Minutes. Lifetime Warranty Praised by Locksmiths & Law Enforcement Nationwide