Tradco Milton Door Knob Handle on Long Backplate Door Knob used to open up or shut a door. commonly used on commercial or residential area . Door Knob Function - are a common type of keyed entrance hardware with a traditional look and feel. They have a latch that disengages when the knob is turned. The latch cannot be disengaged from the outside without a key if the knob is locked. Milton knob on long backplate. Made from solid brass. Specifications: Height: 200mm Width: 50mm Projection: 73mm Finish: Unlacquered Satin Brass Available Function: Passage Privacy Euro Bitkey Sold as Pair Note: Satin Brass is a living finish with a clear satin lacquer. Over time, it will develop a unique patina with use. It's worth noting that this natural aging process isn't covered by the manufacturer warranty. If you have any questions about caring for your Satin Brass product, feel free to ask our friendly staff. With this listing, by answering a couple of short questions, you can create a kit customised to your needs: For "Passage" doors (e.g. a bedroom that doesn't need locking), you will generally need a lever/knob + a Tube Latch. If it's a double door, you may also require flush Bolts. Flush Bolts are used to secure Double Doors, You can choose non-lockable and key-lockable option in various lengths. When using flush bolts: We recommend you use one at the top and another at the bottom to keep the door secure and from rattling. For taller doors (2100mm and above) most customers prefer to use a