Experience Unmatched Performance with Roto NT A, K and R Royal TBT Drive Gears Upgrade your windows with the high-quality Roto NT A, K and R Royal TBT Drive Gears that offer superior functionality and durability. Key Features: Manufacturer: Roto Finish: Silver Faceplate Width: 16mm Sash Rebate Height: 1201-1600mm Backset: 15mm Benefits: Enhanced Security: Non-handed design ensures maximum protection for your home. Easy Installation: Suitable for 9mm & 13mm eurogroove axis, making installation a breeze. Versatile Usage: Ideal for both surface & concealed fixed systems, providing flexibility in application. Long-lasting Performance: Crafted with precision to deliver reliable operation for years to come. Upgrade to Roto NT A, K and R Royal TBT Drive Gears for a seamless window operation that combines style and functionality effortlessly.