Redington 37646 Wader Spikes Goat HeadGoat Head Sole Spikesâ solve a common issue for anglers the need for additional traction when wading. Engineered stainless steel traction spikes can be easily screwed into the soles of wading boots. Features30 Sole SpikesOne magnetized nut driver bit (1/4" socket)Product can be used in both sticky walnut rubber and felt soles1/4" Head diameterSpecificationsTip Length: 3/8"