SIF42 Lock Reinforcing Ring for Exterior Doors ($.95 per part)


$ 76.00 
C- Rings:  Standard Box - 80 Rings (SIF42)

This Lock Reinforcing Ring is ideal for fiberglass or metal doors that require a bore hole where no blocking is installed or in cases where the manufacturers reinforcement is not present. They allow locks to be tightened down without denting the door 

  • Use on 1 3/4" exterior door