This is a screwdriver compatible with specific triangular screws. I used it to disassemble Plarail toys. I only used it a few times and then stored it. 【Screwdriver Size】△2.0 (Small) ・ △2.2 (Large) [Tip Shape for Triangular Screws] 【Bit Length】150mm 【Material】[Tip] Chrome-Molybdenum-Vanadium Steel, [Handle] Acetate Resin ● This is a special screw driver compatible with triangular screws used in prizes and toys. ● It can turn the triangular screws often used to prevent tampering. ● It has a double-ended bit, so one screwdriver can handle two sizes.