Yale Lockmaster Standard Window Gearbox

These gearboxes accept croppable shootbolts and are designed for 326mm-1420mm window sizes.
 
Features:
Screw centres: 43mm
Faceplate: 190mm x 16mm
Available in 20mm & 22mm backsets
Available with No cams, 7.7mm cams or 9mm cams
Shootbolt plates interlock with the mushroom plate for greater security
Reverse action shootbolt espagnolette
Rapid fix non-cropable version
Supplied with cover plates