You are here: Products / Knobsets and deadbolts Knobsets and deadbolts Yale presents this comprehensive range of knobsets and deadbolts that are available for both internal and external door. Knobsets Heavy Duty KnobsetsYale knobsets are available in a variety of designs and finishes. Yale knobsets are suitable for both internal as well as external doors. Yale knobsets can be delivered in functions such as passage... Deadbolts