The Scorpion Q Lok Thread Spike features improved performance with enhanced technology to give long lasting quality and wear. The wrench holes formed in the rigid material has a C visible wear indicator which turns solid when the spikes need to be replaced. The primary spring-flex traction elements provide optimum gripping ability and a green friendly design to minimize damage on the green.Features:-Soft comfort feel-Solid traction-Green friendly-Easy to clean-Q-Lock System-Innovative wear indicator when spikes need replacing