The single wire DIN end sleeve insulated ferrule in blue has a funnel entry for faster insertion and lower installation cost. It is intended for American Wire Gauge (AWG) #6 (16.0 mm²) wire ferrules and supports a maximum wire insulated diameter of 0.35" (8.8 mm). The insulated ferrule is 0.91" (23.0 mm) long and has a wire strip length of 0.625" (15.9 mm). It comes in standard packages of 100. .. see full description