Design House Coventry Entry Handle Set with Ball Knob and Deadbolt in Satin NickelThe Design House 783498 Coventry 2 Way Latch Entry Handle Set accepts a key on one side of the lock but is operated by a turn button handle on the other side. Finished in satin nickel and designed for left or right hand doors, this knob and keyway fit the two most common backsets in the U. S. (2 3 4 inch and 2 3 8 inch). The 1 2 inch latch bolt is plated in nickel and does not budge once in place. Entry knobs are often used on front doors and back