48-22-2507 Milwaukee SAE HollowCore Nut Driver Set (7-Piece)HollowCore unlimited depth-ideal for long bolts or threaded rod applicationsMagnetic drivers - secure fitment in fastening applicationsUniversal driver head fits 4X more fastenersRemoves rusted and stripped boltsColor coded id markings allow for quick tool identification on jobsiteWrench ready hex shanks deliver additional leverageChrome plated - marine grade rust protectionForged steel shanks provide longer life and more durabilityDeep well sockets - drive multiple fastenersIncludes: (1) 9/16 in. HollowCore magnetic nut driver, (1) 1\2 in. HollowCore magnetic nut driver, (1) 7/16 in. HollowCore magnetic nut driver, (1) 3/8 in. Hollowcore magnetic nut driver, (1) 11/32 in. HollowCore magnetic nut driver, (1) 5/16 in. HollowCore magnetic nut driver and (1) 1/4 in. HollowCore magnetic nut driver