BZP Excal - Gearbox 22mm Backset (No Claws) | From The Anvil Finish:BZP The oval cabinet knob is

The oval cabinet knob is part of the period range of cabinet knobs

Hold at the end of the handle and with a firm but gentle grip

meaning no key is required to lock the door from inside

9" Shade Material Brass with a protective lacquer with glass fitting / Brass will naturally age over time

BZP Excal - Gearbox 22mm Backset (No Claws) | From The Anvil Finish:BZP The oval cabinet knob isThis backset is Police Preferred Specification, and is one of the most effective ways to secure PVC, timber, and aluminium casement windows. Intended for use on windows with a centre mullion when central locking is not required. Ten year mechanical guarantee.