"ROUGHING BORE TYPE; 10 1/4 IN. LENGTH; CLAMP TYPE CARBIDE INSERTS; TOOL TO BE USED WITH RIGHT ANGLE QUACKENBUSH POWER UNIT; TOOL IS USED TO REPAIR 68A110002 WING TO FUSELAGE ATTACH LUGS, WITH PROVISIONS TO BORE AND REAM FINISHED SIZE HOLES IN WING SPAR LUGS AND LUG BUSHINGS AFTER INSTALLATION"