Simms HardBite Felt Wading Boot Studs - These studs for felt soles easily convert felt wading boots to studded. 45+ Rockwell hard screw, zinc-plated for corrosion resistance 0.25in hex head sharp point screw fits any 0.25in nut driver or drill bit Welded carbide gripper pellets enhance traction and durability For use with felt soles 180 studs per package Style: AHB1090010