Commercial Knobset

• Fire rated for up to 2 hours
• Tested to 400,000 cycles no failures
• Supplied with 60-70mm adjustable latch in both boxed and display pack.
• Suitable for doors 35mm - 45mm in thickness
• Especially made to take restricted in line and nearly all higher security restricted cylinders
• Has a rose diameter of 75mm
• Supplied with visible internal fixing
• Stainless steel latch bolt with a 12mm projection