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