Lockwood 536 Series Commercial Grade, Classroom Escape Knobset, Tulip Knob.                                                                                                                                  

Entrance Function

• Outside key locks and unlocks outside knob.
• Inside opened by knob at all times.

Additional Information

• Satin chrome finish
• Compatible with most restricted keying systems
• 60mm backset standard
• 70mm and 127mm latches available separately
• Suit door thickness 32-48mm
• Brass latch bolt with 13mm projection
• Knobs and roses made of high purity zinc alloy
• Fire rated up to 2 hours

 Fire Rated to 2 hours.