Fit & Design: Perfect combination of traction, comfort, and performance with ten points of contact and three degrees of traction The Silver Tornado's counter-rotational design provides the best level for balance and stability Combination of these two spikes provides maximum traction, slippage resistance, and power delivery all the way through each swing Additional Details: This spike configuration can be found on the Nike Air Zoom Victory Tour 3 *TFP-TOR PRO PACK INCLUDES 6 TOUR FLEX PRO SPIKES & 12 SILVER TORNADO SPIKES