Stair rail kit includes predrilled top and bottom rail, 15 powder coated metal balusters, one 8 ft. lock bar, angle adaptors for stairs, 2 pairs of rail hanger brackets and screws. 42 in. finished railing height. Premeasured and predrilled to allow for quick and easy installation with professional results. Engineer tested to exceed national building code. 25-year limited warranty on balusters.