Experience Superior Security with Roto NT A, K and R Royal TBT Drive Gears Enhance the safety and functionality of your windows with the Roto NT A, K and R Royal TBT Drive Gears. Crafted by the renowned manufacturer Roto, these drive gears are designed to provide unparalleled security and ease of operation. Key Features: Advanced Security: Ensure the safety of your space with the sturdy construction and innovative design of these drive gears. Flexible Compatibility: Compatible with 9mm & 13mm eurogroove axis, these gears are suitable for a wide range of window systems. Easy Installation: Designed for both surface and concealed fixed systems, the installation process is quick and hassle-free. Non-Handed Design: The non-handed feature adds convenience and versatility to the usage of these drive gears. Product Specifications: Manufacturer: Roto Finish: Silver Faceplate Width: 16mm Sash Rebate Height: 2001-2400mm Backset: 15mm Upgrade your windo