ECM Wiringsize:Yellow connector: suitable for cable/wire size 12-10AWG/4.0-6.0mm2Blue connector: suitable for cable/wire size 16-14AWG/1.5-2.5mm2Red Connector: Suitable for cable/wire size 22-18AWG/0.5-1.5mm2notes:Due to various factors such as brightness, the actual color of the item may be slightly different from the image shown on the websiteSpecification:Material: copper+nylon+tinplateColor: red+blue+yellow (as shown in the picture)Quantity: 10 piecesType: Spade Female Terminal