The RE10261U is a large ring terminal with 90 degree bend, insulated with high dielectric-strength nylon for wire size 6AN. These ring terminals have funneled barrel entry, deep internal serrations, and brazed or overlapping seams. Width .49 inches, maximum insulation .315 inches, bolt hole #10. The terminal is high-conductivity electrolytic copper, electro-tin plated, with color-coded insulation. Installing tool ERG4007.