These Maco Reach Rail window espags are very distinctive, with the gearbox located in a non-central position, closer to one end of the faceplate than the other. This feature is designed for low handle height side hung window applications.
These locking espags have a 7mm spindle follower, 7.7mm mushroom height and have a 20mm backset. Designed for use on BS7950 security windows.
Please note this is the 20mm backset version. Also available as a 22mm backset version.