Door knobs or mortice door knobs are generally more of traditional style of door handles and would suit perfect for interior décor based on traditional theme. Door knobs can be sprung – knob would retract automatically when turned or unsprung – knob would turn freely without any spring back action. Unsprung mortice door knobs would require heavy duty latch or lock mechanism. Hiatt Hardware offers traditional and modern designs in sprung mechanism with various finishes. Please browse through our website.