The Korda Cog Boom is a complete COG kit that includes leadcore booms, lead clips, and tail rubbers. The booms are numbered for ease of use and come three per pack. They are designed to fit Flat Distance and Flat Pear COG leads. - COG kit, including leadcore booms, lead clips and tail rubbers - Booms are numbered for ease of use - Three per pack - To fit Flat Distance and Flat Pear COG leads