Stinger Q-Lok Spikes are non-clogging and made with a soft durometer TPU for superior comfort and durability. The wrench holes formed in the rigid material hug a C visible wear indicator which turns solid when spikes need to be replaced. The primary spring-flex traction elements provide optimum gripping ability, and a green friendly design minimizes marks on the green.Features:-Soft material design minimizes marks on the green-Fits any golf shoe with a Q-Lok or Q Fit fastener system-Spring flex legs recoil and bring the spike back to its original shape for versatility-Flex and rotational elements combine to deliver remarkable traction and grip-Visible C wear indicator turns solid when spikes need to be replaced-Wrench holes and fastener specifically designed for easy replacement