The FP-M-AC5020BK collars from Factory Pro come as a ten piece set of 5mm x 2.0t black spacers designed for accurate positioning. They are intended to offer repeatable spacing and reduce play in common model assemblies.
The 5mm x 2.0t size is useful for precise clearance control around suspension parts, motor mounts and drive shafts. Fitted correctly they help limit lateral movement and improve component stability during demanding runs.
These collars fit a variety of RC designs, from scale models to performance racers, and can be deployed for axle spacing, link tuning, or securing rotating parts. Their consistency and finish make them a practical item for workshop spares.
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