Allen key 2 Hex doubel end , based on super stainless steel 304 material , ... . Feature : 1. Anti-rust,corrosion resistant and non-magnetic atmosphere 2. High hardeness for max durability. 3. Super mechanical properties . Stanard ... suitable for non-standard and stanards Specification : Hex: 1.5, 2, 2,5, 3, 4, 5, 6, 8, 10mm Torx: TR 8 ...