Experience Unmatched Performance with Roto NT A, K and R Royal TBT Drive Gears Upgrade your windows with the premium Roto NT A, K and R Royal TBT Drive Gears designed to elevate your living space to new heights of functionality and style. Key Features: Manufacturer: Roto Finish: Silver Faceplate Width: 16mm Sash Rebate Height: 310-450mm Backset: 15mm Enhanced Performance: Experience smooth and effortless operation with the Roto NT A, K and R Royal TBT Drive Gears suitable for 9mm & 13mm eurogroove axis, ensuring compatibility with a wide range of window systems. Unmatched Versatility: Whether you prefer surface or concealed fixed systems, these drive gears offer non-handed functionality, providing flexibility in installation and usage. Elevate Your Space: Transform your living environment with the sleek silver finish that adds a touch of elegance to your windows, enhancing the overall aesthetic appeal of your home. Upgrade to the Roto NT A, K and R Royal TBT Drive Gea