JConcepts 2490-2 Fin 12mm V2 Shock Cap Black 2 Pieces Made by JConcepts; JConcepts is a United States based company; parts are sourced from Global producers JConcepts part number 2490-2; UPC 845937014962 This item works with: Associated RC-10 B5 and B5M, RC-10 T5, RC-10SC5M Short Course