ECM Wiringsize:*White connector: suitable for cable/wire size 0.25-0.5mm2; 24-26 AWG (15 pieces)*Red Connector: Suitable for cable/wire sizes 0.5-1.5mm2; 18-22 AWG (35 pieces)*Blue Connector: Fits cable/wire sizes 1.5-2.5mm2; 14-16 AWG (40 pieces)*Yellow connector: suitable for cable/wire size 4.0mm2; 10-12AWG (10 pieces)Package Included:100 pieces (4 sizes)* Heat Shrink Butt Wire Crimp Connectorsnotes:Due to various factors such as monitor brightness and light brightness, the actual color of the item may be slightly different from the image displayed on the website.