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

Secure-It-Fast

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