The Oval Brass Door Knobs are a great choice for a traditional panelled door. These unsprung door knobs are made from quality solid brass and are not hollow. Available in a choice of four polished finishes: brass, antique brass, nickel & chrome. The polished finishes are achieved through a chemical process rather than a lacquer or coating. OVAL BRASS DOOR KNOB SETS Latch Set: Pair of door knobs with a 3 or 4 inch Fire Rated Certifire CE 1121 heavy duty tubular latch. Bathroom Sets: pair of door knobs, matching oval bathroom turn & release, and 3 or 4 inch Fire Rated Certifire CE 1121 heavy duty tubular latch & deadbolt. ADVICE & FITTING TIPS We advise the 4 inch size where possible, to prevent rapping knuckles on the door surround when turning the door knob. To avoid common fitting errors, please refer to our essential tips video guide & instructions. Our door knob fitting guide will also be emailed to you following purchase. For measurements of the oval brass door knobs, please see the PDF drawing in Dimensions. ADDITIONAL INFORMATION Material: Solid Brass. Finish: Brass, Antique Brass, Chrome & Nickel. Style: Oval. Suitable for rim locks. Sold as a pair with mortice bar and fittings.