Tamiya item 42131 - TRF Sp Damper HL Cylinder *2 Damper Parts Damper / Shock this is actually the Tamiya TRF Special Damper HL Cylinder usable with Tamiya #42102 TRF Special Damper (Tough BK) / Tamiya #53571 TRF Damper (Fluorine Coated) . Feature: For: Tamiya 42102 TRF Special Damper (Tricky BK) / Tamiya 53571 TRF Damper (Fluorine Coated) Material: Aluminum Colors: Titanium