The Tudor Collection Bathroom Turn & Release Matt Black Powder Coated on a 5mm spindle is used with a bathroom lock or bathroom deadbolt to achieve a privacy function on doors using knob sets, or possibly thumb latches. Oval Turn with Emergency Release The internal turn is an oval knob on a 35mm diameter rose and the external release is a classic penny slot on a 35mm diameter rose.  The release is provide to allow entry into the bathroom in the event of an emergency and can be operated by a penny or screwdriver.  Please note, current building regulations require that ...