You choose the wire gauge size of the top post terminal as well as the polarity Positive, Negative or a Pair (consisting of a Positive and Negative). 

These top post terminals can be CRIMPED or SOLDERED.

• 100% copper battery terminal 
• Tin Plated for Corrosion Resistance
• Top Post Style
• manufactured with the highest quality C11000 ETP (electrolytic tough pitch) copper 
• Maximum Conductivity 101% IACS at 68 F
• Color Coded for Polarity Identification
• Color and Die Coded for Crimp Settings
• Chamfered Barrel Facilitates Cable Insertion
• Exceeds SAE Standard J-1811
• Provided with Nut and Bolt Installed