_:n3b2514682a434a90bd67485c8bc2ea0cxb0
<http://schema.org/description>
"<div style=\"text-align: center;\">SI Siegenia no longer trade and there items are obsolete and extremely rare <br><br>These SI Siegenia tilt and turn drive gear mechanism's replace the old yellow coloured SI Siegenia drive gear mechanism's. <br><br><br>This SI Siegenia tilt and turn gearbox/mechanism has a 15mm backset comes in a few different sizes, to indentify the correct tilt and turn gearbox size you require you will notice markings stamped on the tilt and turn gearbox mechanism.<br><br>GR120 1201-1600<br><br>Printed on the mechanism is;<br><br>F / TGMK Gr. 120<br>FFH 1201 - 1600<br><br><strong>Technical Diagram-<br></strong><br><img src=\"https://storefeederimages.blob.core.windows.net/upvcstoreltd/Products/0b004964-602b-4e52-982f-7e9f232c590a/Full/cpfwzugk5qa.png\" style=\"font-size: 13px ”width=\" height=\"600\">\n</div>"
<https://www.upvc-store.co.uk/products/si-siegenia-tilt-and-turn-tbt-drive-gear-upvc-lock-mechanism-genuine-original-si-gr120-1201-1600-f-tgmk-gr-120-ffh-1201-1600>