Ayu Tabi (Wading Boots) Fishing Boots Modified Spike Tire Pins Unused, New 50 pieces Length: 12mm Includes M4 Hex Box Wrench Simply screw in with the hex box wrench. These are for car tires, but also work for Ayu Tabi, rock fishing boots, etc. For felt shoes, a few drops of Aron Alpha (cyanoacrylate adhesive) around the pins will secure them firmly. Photos 4-5 are for reference, showing my Ayu Tabi. #Ayu #AyuFishing #RockFishing