Leg 221 of the metal 2×4 would be attached by fasteners to extension 77, and {HEAD ~ screw} can be driven through {TAIL ~ end tab} 82 into base 232 
Leg 221 of the metal 2×4 would be attached by fasteners to extension 77 , and { HEAD ~ screw } can be driven through { TAIL ~ end tab } 82 into base 232
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH