Features: The battery terminals fit for positive and negative standard battery posts of passenger car, light trucks, agricultural equipment, ship, RVs-and-ATVs. The side post battery stud bolts are made of solid brass material, anti impact, wear resistant, sturdy, durable, can last for a-long-time use. Make connections- on your battery for additional battery terminals, help to reduce noise in stereo-, communication and other electronic equipment. Converts side terminal battery to top post, each charging- posts has 5/16in output stud- and a hex- nut for easy tightening and removing. The package contains two terminal adapters, which is easy to operate with hex- nut and can be directly connected- to the battery. Specifications: Material: Brass Size: approx 3.4cm/1.34in Quantity: 2PCS/Set Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 2PCS/Set Adapters