Tru Design Equal Hex Nipple – composite glass-reinforced Nylon 6 construction delivers lightweight, corrosion-free marine connections. Universally compatible with TruDesign parallel threaded systems. Immune to corrosion and electrolysis for enhanced safety. Electrically non-conductive with no bonding required. Operates reliably across -40°C to +110°C. UV resistant for long-lasting performance in all marine conditions.Nipples from TruDesign are manufactured from composite glass-reinforced Nylon 6 giving light weight yet strong corrosion free connections for all your marine fittings. Universally compatible with TruDesign parallel threaded systems. Immune to corrosion and electrolysis – No corrosion or breakages, increased safety Electrically non-conductive. No electrical bonding. Large operating range – Suitable for all marine conditions from -40°C to +110°C. U.V resistant – No degradation from the sun’s ultraviolet rays.