"ROUGHING TYPE REAMER; OVERALL LENGTH 10.250 IN.; CLAMP TYPE CARBIDE INSERTS; MATERIAL TO BE MACHINED: 2024 ALUMINUM; TOOL TO BE USED WITH RIGHT ANGLE QUACKENBUSH POWER UNIT; 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"