Heat Shrink Ring Terminal 3/8 in. 12-10 AWG 3-Pack | Ancor 312603 Ancor Heat Shrink Ring Terminal 3/8 in. 12-10 AWG 3-Pack | 312603 Adhesive heat shrink feature insulates and seals electrical wire to ring terminal, preventing moisture intrusion and corrosion. Adhesive lined heat shrink ring terminals 3 Pack 3/8 in. eyelet size For use with 12 to 10 gauge wire Nylon insulator resists sunlight, water, oil, chemicals, vibration, and cut-through damage often found in marine applications Heat activated adhesive shrinks to provide a water-tight seal 100% tinned copper prevents corrosion from salt or moisture Brazed seam provides maximum connector strength Low resistance for maximum current flow UL 486C standard for safety splicing wire connectors