The Budget Mortice Door Bolt is the perfect solution for additional home security. Steel Bolt This door bolt is made from steel. It has a black finish.   Other Variations The bolt is also available in four other finishes - electro brass, polished chrome, satin chrome and white.  These other variations can be found in the related products. Insurance Company Approval The mortice door bolt is commonly used to add extra security to pairs of double external doors, by either the use of a pair of bolts on the slave door or by a pair of bolts on both doors. The use of fixed turns...