Feature:
Battery terminal connectors are made of brass material, which has better corrosion resistance, with strong electrical conductivity.
The battery post terminal for battery charging, and battery posts extension. It is universally used for cars, boats, and RV battery terminal connectors.
Easy to install and connect, no need for other special tools(even tight and loose with hand).

Specification:
Material: Brass
Color: Brass Tone
Internal Thread Size: 5/16 Inch
Positive Outer Diameter: 15mm x 13mm/0.59 inch x 0.51 inch(Max. * Min.)
Negative Outer Diameter: 13mm x 11mm/0.51 inch x 0.43 inch(Max. * Min.)
Hex Width: 20mm/0.79 inch

Package Included:
2 Pair x Battery Terminal Connectors