HOOPLY 33 Ultra Container Door GearboxThe Hooply 33 Ultra Door Gearbox is very heavy duty, suitable for steel doors. It is ideal for when only the centre case needs replacing and avoids replacement of the full multi point lock unit. It has a 30mm faceplate and 225mm screw centres and is non handed for use with both left hand and right hand applications. Very heavy duty Suitable for steel doors 30mm faceplate 225mm screw centres