The Transitional Collection non-handed Mesa Knob with an adjustable spring latch, with round faceplate & strike plate, and assembly screws. Comes with a square shaped interior and exterior rosette with non-handed Mesa Knob. The interior and exterior spindle comes attached to the square rosette, and the interior and exterior levers come preassembled on the interior and exterior spindles. The Mesa knobs are attached with a set screw allowing for easy install. Easy to follow instructions included.