Tesa 3510 Entrance Knobset Knob Function: Key & Turn Button Mechanism: 5 pin cylinder Knob Finish: Polished Brass or Satin Chrome Keys Supplied: 3 Backset 70mm Suitable for door thickness 33-45mm Anti-thrust security latch which automatically deadlocks when door is in closed position Key and turn button set, both knobs can be locked either with the key outside or with the turn button inside
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