Street Caps Tri-Lok Golf Spikes easily convert your shoes to casual, dress or teaching shoes Tri-Lok system fits most Fast-Twist receptacles Set of 20 Street Caps and wrench Imported Warning: Street Caps are intended to convert your golf shoe into a street shoe. Street Caps will not provide traction similar to metal or plastic spikes and should never be used while golfing or participating in a golf related activity. Traction of the shoe with the inserted Street Cap will vary based on the composition of the sole and certain weather conditions.