The Serpent SER190511 Allen Wrench at 2.5 x 120mm is a purpose-built hex key for model maintenance, offering the accuracy required for delicate adjustments. It is designed to fit common hex fasteners used across many RC builds.
With a 120mm shaft you can access recessed screws and areas deep inside the chassis, while the 2.5mm tip matches a lot of standard hardware found on on-road and off-road models. The length helps keep your hands clear of moving parts.
Made to withstand regular use, the Allen wrench keeps its tip profile and resists deformation. Its user-friendly shape lowers hand fatigue during longer repair sessions, suiting both weekend tuners and more experienced technicians.
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