Techspan® Ring Terminal, Solid/Stranded Copper Conductor, 16 to 14 AWG Conductor, #10 Stud, 1.03 in Length, Ring Tongue, 600 VAC, 75 deg C, Nylon, Blue, 0.342 in W Funnel ferrule wire entrance into electrical barrel eliminates wire strand, hang-up increases crimping rates and wire termination reliability Nylon insulated color coded barrel styles offer the ultimate in high performance terminal design and construction Permanently attached color coded nylon insulating sleeve extends beyond the metal support sleeve Tin plated brass sleeve strengthens barrel and secures wire to protect against stress and high vibration