Part of the ZaGO Sealing Nut Series, the Hex Sealing Nuts are the most durable available on the market - Ideal for commercial use. These ZaGO Seal Nuts feature 360 degrees of silicon-sealing, withstanding the most extreme conditions. Keeping equipment safe, eliminating the need of frequent repairs. KEY FEATURES • Hex Sealing Nuts • Fully Sealed • Highly Durable ZaGO Hex Sealing Nuts can be fully customized to fit any application precisely.