The RA18-8F is a nylon-insulated fork terminal for wire range #22 - #16 AWG. Fork terminals enable easy installation because the mounting screw does not have to be completely removed. Length .86 inches, .31 inches width, maximum insulation .136 inches, bolt hole #8. The terminal is high-conductivity electrolytic copper, electro-tin plated, with color-coded insulation. Recommended tool ERG4001.