The Serpent SER190511 Allen Wrench, sized 2.5 x 120mm, is built for routine workshop tasks where precise hex drivers are required. It serves well for regular setup tweaks and component swaps on scale models.
Its 120mm length makes it easier to reach screws set deep within servos, bulkheads and shock towers, while the 2.5mm tip fits many standard hex fasteners across hobby parts and upgrades.
Designed for repeated use, the wrench retains its tip geometry and resists deformation under normal workshop pressures. The handling profile reduces wrist strain during longer sessions, so you can work longer without discomfort.
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