1000-Pack 16 AWG Insulated Wire Ferrules, Black E1510 Crimp Connectors Color: Black PRECISION 16 AWG FIT: Designed to form a high-pressure, gas-tight seal that prevents corrosion from oxygen exposure. These 16 AWG ferrules guarantee a secure, low-resistance connection and optimize current flow in IEC-style terminal blocks. STANDARD 10MM PIN LENGTH: Offers an exact 10mm pin length with a flared barrel for easy wire insertion. These terminals allow wires to be seated deeply and firmly into circuit breakers or power supplies, resulting in a neat and professional look. SEAMLESS COPPER BUILD: Constructed from high-strength electrolytic seamless tubular copper for excellent conductivity. The electro-tin plating delivers outstanding corrosion resistance, ensuring stable connections in challenging industrial conditions. PREMIUM NYLON INSULATION: Features high-grade nylon sleeves that resist cracking during the crimping process. Compared to standard plastic, this insulation provides improved safety and durability for both industrial machinery and DIY applications. 1000-PIECE BULK VALUE: This pack of 1000 pieces delivers superior cost-per-unit value for extensive automation projects or workshop use.