"HIGH QUALITY MATERIAL: Made of good quality pure copper, with excellent electrical conductivity properties, which reduces stransmission power loss and can be used for a long time. PACKAGE INCLUDED: 2 piececs battery Terminals: red(and) and Black(-) approx. 55 x 35 x 45mm( LxWxH) SAFE TO USE: Easy to connect and disconnect the battery, fits 6 and 12 volt positive or negative battery plates. EASY TO USE: Battery terminals are easily attach thick audio power , and vehicle earthing, suitable for motorcycles, cars, boats to connect with inverters, aligator clips. WIDELY USED: Ideal for standard round battery terminals, such as car and motorcycle batteries, suitable for 6v and 12v positive or negative battery plates." Features: - It is made of pure copper, durable, corrosion-resistant and not easily damaged. - It can improve conductivity and ensure perfect contact performance, thereby reducing voltage distortion and transmission loss. - 3-way battery terminals fits 6 and 12 volt positive or negative battery plates. How to use: 1.Simply remove the quick release connectors clamps to be replaced from the original car, and then disconnect it from the battery cable.2.Check whether the motor column is oxidized and cleaned, and remove the oxide layer to increase the electrical conductivity of the motor column. 3.Place the battery connectors clamps on the motor electrodes and tighten the nuts. Note: When using the car battery connector, please pay attention to the polarity Positive painted red, painted black negative. Sepecifications: Product Name: 3-Way Battery Terminals Material: Pure Copper Size: About 56 x 35 x 45mm (L x W x H) The size of the center opening of the negative car battery terminals: 15.3-17mm The size of the center opening of the positive car battery terminals: 17.2-18mm Packing Included: 1 set of 3-way battery terminals Dear customer, Thank you for choosing our products. If there is any problem with our products, please contact us through the order information. We will be happy to serve you and solve it for you as soon as possible within 12 hours, thank you