Holds the weight of the door on hinges on one side
Harbors the strike plate & recess for the locking mechanism on the other
For use in interior finishing only.
67 x 28mm (38mm Rebate), 67 x 28mm (42mm Rebate)
67 x 28mm Split Jamb Part B 38mm Rebate
67 x 28mm Split Jamb Part B 42mm Rebate