What's in the box:

2pcs Battery Terminal Connectors Quick Release Disconnect Car Battery Cable Terminal Clamps with Hex Wrench Positive Negative (Standard)

Features:
Car battery cable terminal clamps, power connection, stable current, protect battery.
With 4 post for wire connection, designed for multiple cable connections.
With power-off protection function, it is more safe and reliable to use.
It is made of high quality brass with good conductivity and corrosion resistance.
The positive and negative terminals are suitable for most battery models. Work great for replacing worn and corroded terminals.

Specifications:
Material: Brass + Aluminum Alloy + Steel + Rubber
Positive Inner Diameter: 17.5-19.1mm
Negative Inner Diameter: 15.9-17.5mm
For Wire Diameter: 6mm
Item Size(A Pair): 219.5g/ 7.7oz
Package Size: 140 * 90 * 25mm/ 5.5 * 3.5 * 1.0in
Package Weight: 236g/ 8.3oz

Packing List:
1 * Positive Battery Terminal Connector
1 * Negative Battery Terminal Connector
1 * Hex Wrench