The Astro Pneumatic 1035 6pc 2-in-1 Torx Key Wrench Set is a dual function Internal Torx and External Hex Key Wrench Set. It comes equipped with a slide sleeve to switch from the Internal, to External Function and has L-Key handles made with S2 steel, providing strength and durability. This item includes the following popular sizes: External Hex: 5, 6, 7, 8, 9, 10Internal Torx: T20, T25, T30, T40, T45, T50.