Maco Window Lock Gear Box 20mm Backset Non Crop Version 340mm
Maco Mark 2 Gear Box 20mm Backset Non Crop version Window Lock Backset: 20mm Cam Height: 7.7mm Gearbox is 340mm long Rods to suit are available by searching for part The gearboxes are stamped Maco BS20 ( = 20mmbackset)