These Vision spikes enhance traction on compatible soles when the ground becomes slippery. They are installed using the tool provided, eliminating the need for a separate installation accessory. The midsole must be at least 14 mm thick; otherwise, the spike may pierce through to the wader sock. Compatible models include Tossu Gummi & Felt, Hopper Gummi & Felt, Nahka Gummi, and Musta Gummi. The 20-piece pack is suitable for targeted installation or replacement, while the 100-piece pack is better suited for workshops, guides, or anglers who maintain multiple pairs.