Sta-Kon Ring Terminal, Insulated, Series: RB Series, 18 to 14 AWG Conductor, 1/2 in Stud, 1-1/4 in Length, Insulation Grip Sleeve Barrel, Ring Tongue, 0.72 in W x 0.03 in THK Tongue, 600 V AC, 0.162 in Dia Maximum Insulation, 1/2 in Clearance, Nylon Insulation, 105 deg C, Copper, Tin Coated, Blue