"SEMI FINISH BORE; 10 1/4 IN. LENGTH; CLAMP TYPE CARBIDE INSERTS; USED TO REPAIR 68A11002 WING TO FUSELAGE ATTACH LUGS, WITH PROVISIONS TO BORE AND REAM FINISHED SIZE HOLES IN WING SPAR LUGS AND LUG BUSHINGS AFTER INSTALLATION; MATERIAL TO BE MACHINED IS TITANIUM; TOOL TO BE USED WITH RIGHT ANGLE QUACKENBUSH POWER UNIT"