Simms(R) Hardbite Wading Boot Studs are designed to convert your felt wading boots to studded. These studs are constructed from a zinc-plated 45+ Rockwell hard screw with a hex head. In addition, they feature welded carbide gripper pellets for enhanced traction and durability. FEATURES: Convert felt wading boots to studded 45+ Rockwell hard screw, zinc-plated for corrosion resistance 0.25" hex head sharp point screw fits any 0.25" nut driver or drill bit Welded carbide gripper pellets enhance traction and durability For use with felt soles Pack Qty: 20 studs