Tred-Lite Spikeless for Footjoy Large Tread Golf Spikes. 24 Per pkg. includes Wrench. For one pair of shoes - Men"s or Womens - Large Thread - Spikes are intended for use only on dry, flat grassy surfaces. They are not intended for use on damp or hilly surfaces, because they may not provide adequate traction on such surfaces. They are not intended for use on hard surfaces such as concrete, ice, rocks, hardwood, marble, or tile floors, etc., because they are made of hard polyurethane that may cause them to slip or skate on such surfaces. Use on any of these surfaces may cause the user to slip and fall and substain serious injuries.