Thank you for viewing! Top Line Oil Leakage Prevention Spacer There are two types: t=2.15 and t=2.20. I intended to use these for TRF dampers, but I am retiring from radio-controlled cars, so I will not be using them and am putting them up for sale. I am not considering selling them separately. Thank you. Top Line TOP LINE TP-246 TP-247 TRF Damper Radio Control Car Drift YD-2 RD2.0 GRK GRD-X RDX Type...Radio Control Car