EXCELLENT QUALITYWith superior corrosion resistance and electrical conductivity, the tinned copper quick release battery terminal also can reduce voltage distortion and transmission loss.PACKAGE INCLUDEYou will receive 2PCS battery terminal connectors(positive and negative), 2PCS anti-corrosion fiber washers and an allen wrench.4 WAY BATTERY TERMINALThere are 4 posts for wire connection in the battery terminal connectors which are mainly used for SAE / JIS Type A car battery. The purpose of the design is for multiple cable connections.EASY TO IDENTIFYWith the signs of positive + and negative -, the quick disconnect battery terminal is easy to identify. And the battery terminal works great for replacing worn out and corroded terminals. Tip: Make sure to choose the correct terminal for the correct polarity.WIDE APPLICATIONThe battery terminal connectors can be used for Trailer, Winch, Truck, Tractor, Jeep, RV, Cars, Vans, Caravan, Boat, etc.