20 Piece set of 24" Black cloth Fins. (2) sets of Fins equals (1) Wave Hub worth of cloth. (40 Fins per Hub) note: Consult After Market Support for details. May be used with any equipment with the larger waves and Fins hub. Used on: Wave-FSW Gyro-Wrap Wave-LSW Wave-Wrap-T Wrap 1700 Wrap 1500 Combo Wrap