Tamiya 42102 RC TRF Special Damper Set - Hard Black Coating

For use in touring car racing OP.571 TRF Damper 4 set (Fluorine coat specification) This product has further refined the coating of the cylinder part.
For the cylinder body, use a hard coating that is superior both in static friction coefficient and dynamic friction coefficient than usual fluorine coat.
? (The static friction resistance is reduced by 14.2% and the dynamic friction resistance is reduced by 14.3%.) Also, the hardness of the cylinder surface hardness is also improved by heat treatment.
Cylinder cap, spring adjuster, O ring cap is a knurled type blue anodized specification.