1. Pre Hung Pine Doors Assemble in minutes in 2 easy steps Machined with Precision and High Quality for a perfect and simple assembly I Attach the header to the e side jambs with the supplied 3 screws per side and into the Once door predrilled holes frame is square just install into Tai TENI Slide the 3 hinges pins back into position after J interlocking the door A Late and jamb hinges parts After jambs and door assembly striker hole will align with strike 4