INCLUDED: 3-piece customized steel construction, New Door Edge Pro reinforces the active door, StrikeMaster II reinforces the passive door, French door lock reinforces the slide bolt and door frame, and case hardened screws for total reinforcement. Please read and consult installation in the Safe Homes International Storefront (https://www.amazon.com/shops/A3LSK7X2QSX65R?ref_=v_sp_storefront) BEFORE purchase as we cannot pay for return shipping on orders mistakenly purchased for doors that do not conform with the stated specs. All installation hardware is included. It does not require additional locking devices.