Check the listing for details. Flat Ball Single Dummy Door Knobs Non-Turning Interior Door Handles, Oil Rubbed. Color: Oil Rubbed Bronze, Condition: New. Listed at 63.99 USD. [Build Material] You can us Probrico door hardware to refresh your house. These dummy door knobs are made of stainles steel with an oil-rubbed bronze finish and a classic circular shape [Multi-Usage] Each package contains 10 knobs (for 10 doors). The knob is one side and can't lock. The knob is ideal for interior doors where a push/pull function is required. The knob is non-turning [Product Dimension] The round rose diameter is 2-3/10 inches (65mm). The ball knob diameter is 2-1/5 inches (57mm) [Easy Installation] You can install the knob easily with all included screws. There is a quality assurance with ANSI Grade 3, which exceeds 200,000 cycles [Fitment] These universal doorknobs fit both right handed and left handed doors