Prime-Line Steel Deadbolt Lock

7/8 inch wide x 1/8 inch thick steel slide bolt with heavy duty galvanized steel housing. Work only from the inside for extra protection as a night or vacation security lock, engages slot in vertical track. Fits most garage doors.Great for extra protection as a night or vacation security lock,Fits most garage doors,Engages slot in vertical track,Works only from the inside,Heavy duty galvanized steel housing,7/8\ X 1/8\