Package Included: One pairs Battery Terminal Connector:One Positive and One Negative ,Each Battery Terminal Connector has 6 X hole holders and 6 x threaded studs 12-Way BATTERY CONNECTORS: 6 x hole-holders and 6 x threaded studs. 12-way car battery terminals can support multiple cables at the same time, which is convenient for use when install audio and other equipment TAPERED POST TERMINAL TYPE: SAE, DIN, EN (But JIS Pencil Post Not Included). It can be used with 00 (2/0) AWG welding cables, and other specifications of cables can be fixed: 0 (1/0) AWG, 2 AWG, 4 AWG, 6 AWG, 8 AWG BATTERY VOLTAGE and APPLICABLE TYPE: The battery voltage of 6/12/24/36/48V. Widely used for the battery of Car, Caravan, RV, Truck, Pickup, Houseboat, Motorcycle, Forklift, Crane, etc HOW TO INSTALL: Use wrenche to tighten the wires and attach the terminal to the post. Make sure the positive and negative battery are connected to the correct top posts