Threeinone functionality: Opens reducing valves, also serves as a bottle opener and a nut chopper, providing practical versatility for a single tool. materials: Aluminum alloy body with a pure copper shaft for durable, longlasting performance and resistance to rust or wear. Userfriendly design: Ergonomically shaped to fit valves with flow path diameters of 2450 mm, enabling effortless operation and improved efficiency. Double protection feature: Internal and external baffles help prevent slipping during use, enhancing safety and reliability. Key specifications and benefits: Compatible with valves that have a 2450 mm flow path diameter; built from aluminum alloy with a copper shaft for sturdy, reliable performance. Practical use scenarios: Valve maintenance or installation tasks in workshops or field environments. Onsite service where a quick bottle opening is convenient during breaks. Quick nut chopping for fasteners during hardware assembly or disassembly.