The Frelan Hardware Bathroom Turn & Release Satin Chrome is to be used with the satin chrome finish Frelan Hardware door handles. You will require a bathroom deadbolt with this product as it allows the bathroom turn to operate; this can also be found in the related products.   Safety Release Function This design makes it extremely safe, as the release part of this set has a practical coin slot which can be used to unlock the door from the outside in an emergency.