Designed to ceiling mount screens up to 50kg, the BT8423 features an adjustable drop of 625mm - 950mm in increments of 25mm. The mount uses B-Tech's unique 'Torsion-Tilt' mechanism for easy tilt up to +/-15°. Levelling screws are included on the interface arms to finely adjust the screen height and locking screws help prevent unauthorised removal of the screen. Cover plates are supplied for a neat and tidy installation.