Non-standard 2 3/4" back set tubular latch which can be used on modern pre-drilled doors to facilitate use of either antique or reproduction doorknobs with a 5/16" spindle. The brass face plate measures 2 1/4" tall by 1" wide and the strike plate measures 2 1/4" tall by 1 7/8" wide. The latch housing measures 15/16" in diameter and recesses 3 9/16". This tubular latch is available in 6 different finishes.