Aggressive tungsten carbide-tipped PosiGrip Screw-In Studs that can be added to any wading boot with at least ½" of midsole depth. Sharp tip allows for quick and easy installation into felt or rubber outsoles. A must where maximum traction is needed. ¼" hex head screws. Adapter for power drill included. 20 studs per pack.

Made in the USA.

Specs- 

• Screw-in studs with exclusive tungsten-carbide tips
• 20 studs per package
• Adapter for power drill included