• Fully concealed
• ±10 mm adjustment
• Center to center: 1103 to 1524 mm (43-7/16" to 60")
• Door height: 1224 to 1645 mm (48-3/16" to 64-3/4")
• Minimum thickness of door: 12 mm (1/2")
• Drilling depth: 7 mm (5/16")
Pre-installed door straighteners installed at the time of manufacturing, prevent doors from bending and can easily restore your doors rigidity with a slight adjustment. Door straighteners can be used for swinging doors, sliding doors or lateral opening doors.