Factory Pro FP-M-ACS301BK Black 3mm Collar Kit (0.5, 1, 2 & 3mm, 5pc Each)  [FP-M-ACS301BK]

Adjustable 3mm Collar Set for Fine Tuning

The Factory Pro FP-M-ACS301BK 3mm collar set gives modelers a selection of shims in 0.5mm, 1mm, 2mm and 3mm thicknesses, with five pieces of each size in a black finish. Use them to dial in spacing, reduce play, or correct component alignment on shafts and axles.

Where to Use These Collars

Ideal for adjusting axle spacing, pinion and spur layouts, or shimming bearing positions, these collars work across a wide range of RC cars and trucks. They let you make incremental setup changes quickly without cutting or machining parts.

Build Quality and Reliability

Factory Pro parts are produced with consistent tolerances and resilient materials. These collars retain their thickness under normal use and are suitable for repeated adjustments during setup and maintenance.