The Vulcan Hart 00‑715074 Knob is a black, durable replacement control knob designed for commercial kitchen equipment. It features a 1-15/16″ diameter, a raised protrusion that extends approximately 1¼″ from the mounting surface, and a prominent “notch up” orientation for clear visual alignment. Built to OEM specifications, it provides reliable “Lo-to-Hi” control—ideal for griddles, o... https://www.partsfe.co.uk/vulcan-hart-00-715074-black-1-15-16-dia-knob-with-1-1-4-protrusion-extends