Add traction to your Caddis wading boots with EcoSmart II and III Grip Soles using their Extreme Grip Studs. Steel lugs are corrosion-resistant for safe use in saltwater. Studs in the front of your boots improve traction as you're trudging through moving water. Studs in the instep grip debris like logs. Heel studs hold you in a back-side current. Includes 25 studs and 25 Phillips-head screws.