In addition to providing good quality security door lock, we offer satisfied service and warranty on all our door lock to make sure that you could buy with confidence,
If you have any problem during using this defender security door lock，please contact us and we will help you solve in 24 hours.
CRANACH childproof door guardian lock give your family more protection，which is also the great gift for family.
CRANACH Security Door Lock is more stronger than a normal deadbolt to against being kicked in.
CRANACH door reinforcement lock guards your home safe.
1) Tamper resistant and child-safe design, prevents children from wandering off un-attended.
2) Install in just minutes using hardened screws.
3) Cannot be opened from the outside.
4) Requires Drill, 1/8 in. drill bit and screwdriver.
5) Chisel may be required if door fits tightly against the jamb (mortised installation).
6) 12x stronger than a common deadbolt.
7) Works on inward swinging doors.
1 Instruction of door reinforcement lock
1 Door Reinforcement Lock
8 Screws，include four 1″and four 2″，which you can choose the lengh you need for your reinforcement lock