The RA1163 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 .95 inches, .44 inches width, maximum insulation .136 inches, bolt hole 1/4 inches. The terminal is high-conductivity electrolytic copper, electro-tin plated, with color-coded insulation. Recommended tool ERG4001.