The between the gear is less than 1mm, which prevents the nut from slipping This adjustable plumbing wrench feature high strength construction, strength for various pipe fittings while remaining lightweight Engineered with teeth and anti slip knurling, this multipurpose wrench maintains secure while scratches during plumbing installation Perfect for maneuvering in tight spaces under sinks, behind water heaters, or during bathroom renovations thanks to its ergonomic handle design Ideal for homeowners, professional plumbers, and maintenance technicians requiring for frequent repair tasks in residential or commercial settings, Manufacturer: Kaeltsyn