The single wire DIN end sleeve insulated ferrule in yellow has-funnel entry for faster insertion and lower installation cost. It is intended for American Wire Gauge (AWG) #4 (25.0 mm ) wire Wire Ferrules and supports-maximum wire insulated diameter of 0.43 (11.0 mm . The insulated ferrule is 1.14 (29.0 mm long and has-wire strip length of 0.750 (19.1 mm . It comes in standard packages of 50.