Master Lock 265DCCSEN Dual Function Security Bar Features : Ideal for adding security your door waysImproves security on hinged and sliding doorsAble to withstand 350 lbs. of forceRugged 20-gauge steel constructionWeighs 1 lb.The Master Lock Dual Function Security Bar provides your home with an added dose of safety by reinforcing doors from outside intruders. Built with Master Lock's world renowned durability, the Security Bar is constructed of 20-gauge steel to withstand more than 350 lbs. of force, helping ensure that your doors remain securely shut. With a versatile and adjustable design, the bar fits most hinged and sliding doors.