The single wire DIN end sleeve insulated ferrule in blue has-funnel entry for faster insertion and lower installation cost. It is intended for American Wire Gauge (AWG) #14 (2.5 mm ) wire Wire Ferrules and supports-maximum wire insulated diameter of 0.17 (4.2 mm . The insulated ferrule is 0.59 (15.0 mm long and has-wire strip length of 0.469 (11.9 mm . It comes in standard packages of 500.