34PC FASTENER DRIVE SET ALL IRWIN FASTENER DRIVE BITS ARE MANUFACTURED FROM INDUSTRIAL GRADE TOOL STEEL AND TESTED TO MEET THE HIGHEST STANDARDS FOR HARDNESS AND TORQUE. SET INCLUDES 1 EACH OF 2"" POWER BITS; #1 PHILLIPS #2 PHILLIPS #3 PHILLIPS #1 POZIDRIV #2 POZIDRIV #3 POZIDRIV TORX T8 T9 T10; 3-1/2"" POWER BITS #1 PHILLIPS #2 PHILLIPS #3 PHILLIPS #2 POZIDRIV TORX T15 T20 T25 T30; 6"" POWER BITS #1 PHILLIPS #2 PHILLIPS #3 PHILLIPS #2 POZIDRIV TORX T15 T20 T25 T27 T30; 2"" SOCKET ADAPTERS 1/4"" 3/8"" 1/2""; 1-7/8"" MAGNETIC NUTSETTERS 1/2"" 5/16"" 3/8"" 2-1/2"" & 6"" QUICK CHANGE ADAPTERS