Nylon fully insulated female disconnects, .250". 16-14 g., Blue. Sold in packs of 100.

Barrel Seam: Butted
Maximum Voltage Rating: 600 V Building Wire, 1000 V signs or fixtures (Luminaires)
Maximum Operating Temp: 221°F (105°C)
Maximum Current: Same as Wire
Insulator Material: Nylon
Terminal Material: Brass
Plating: Tin