{"product_id":"victorian-half-sprung-mushroom-mortice-knob","title":"Victorian Half Sprung Mushroom Mortice Knob","description":"\u003cp\u003eIntroducing the Victorian Half Sprung Mushroom Mortice Knob, a perfect blend of elegance and functionality for your doors. This beautifully crafted knob features a classic Victorian mushroom design, finished in high-quality brass, ensuring durability and timeless appeal.\u003c\/p\u003e\n\u003cp\u003eWith a rose diameter of 61mm and a knob diameter of 52mm, this face-fix mortice knob is designed for easy installation and a secure fit. The half-sprung mechanism allows for a smooth operation, providing partial spring action that enhances user experience without the need for a full spring return.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVictorian mushroom-style mortice knob\u003c\/li\u003e\n\u003cli\u003eHalf sprung operation for ease of use\u003c\/li\u003e\n\u003cli\u003eRose diameter: 61mm\u003c\/li\u003e\n\u003cli\u003eKnob diameter: 52mm\u003c\/li\u003e\n\u003cli\u003eProjection: 71mm\u003c\/li\u003e\n\u003cli\u003eElegant brass finish\u003c\/li\u003e\n\u003cli\u003eSupplied as a pair with necessary fixings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment \u0026amp; What to Check\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBefore installation, ensure that your door thickness is compatible with the knob and that it aligns with your existing mortice lock or latch case. The face-fix screws require unobstructed access on the door face for proper attachment. Additionally, confirm that the 71mm projection will not interfere with any adjacent door hardware or frame components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommon Ordering Mistakes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOrdering a single knob instead of a pair for both sides of the door\u003c\/li\u003e\n\u003cli\u003eFailing to check the face-fix screw hole positions in relation to door thickness\u003c\/li\u003e\n\u003cli\u003eAssuming the knob operates with a full spring mechanism when it is half sprung\u003c\/li\u003e\n\u003cli\u003eOverlooking the necessary clearance for narrow or recessed door frames\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Specification\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRose diameter: 61mm\u003c\/li\u003e\n\u003cli\u003eRose height: 10mm\u003c\/li\u003e\n\u003cli\u003eKnob diameter: 52mm\u003c\/li\u003e\n\u003cli\u003eProjection: 71mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eElevate your door hardware with the Victorian Half Sprung Mushroom Mortice Knob, combining style and practicality for any home.\u003c\/p\u003e","brand":"Carlisle Brass","offers":[{"title":"Default Title","offer_id":53866866868562,"sku":"M35-UDF","price":52.91,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1081\/7994\/7858\/files\/Screenshot2026-06-29123536.png?v=1782716753","url":"https:\/\/upvcfittings.co.uk\/products\/victorian-half-sprung-mushroom-mortice-knob","provider":"My Store","version":"1.0","type":"link"}