This is a screwdriver compatible with specific triangular screws. I used it to disassemble Plarail toys. I have only used it a few times and have been storing 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 is a double-ended bit specification, so one can handle two sizes.