Material: The battery terminals are made of brass, which has good electrical conductivity and corrosion resistance, which can reduce voltage distortion and transmission loss. Size: positive battery terminal (17.5mm - 19.1mm) + negative battery terminal (15.9mm-17.5mm). Great for replacing worn and corroded terminals. Easy to use: After battery installation, pressing the lever connects to the battery terminals, eliminating the need for tools. The wiring is convenient, the connection is firm and not easy to be damaged. Special Style: These battery connectors are bright color and novel design. Designed for top post batteries and side post batteries with standard post adapters Wide Applications: Suitable for car, van, caravan, camper, truck battery, etc. Just be sure to connect the correct connector for the correct polarity. Product Product Specifications: - Material: Brass + Stainless Steel + Iron - Positive Inner Diameter: 17.9 - 19.1mm / 0.7 - 0.8 inch - Negative Inner Diameter: 15.9 - 17.5mm / 0.6 - 0.7 inch - Stud diameter: 6 mm / 0.2 inch - Product size: 55 mm x 65 mm / 2.2 x 2.6 inch - Product features: power connector, stable current, battery voltage protection and leakage protection Features: The quick release has a red positive "+" and a black negative "-" which are easy to identify to reduce the risk of a To avoid electric shock. This battery binding post can be used for battery extension, parallel connection and grounding. Suitable for positive or negative 6V/12V battery. The battery post is ideal for most vehicles such as battery car, car, ship and truck battery. Delivery Quantity: 2pcs Product color: red+black Product size:56*98mm