Check the listing for details. 2 Pack SUTTLE Line Conditioner Communication Circuit Accessory KIT2CA New. Color: Black, Condition: Open box. Listed at 8.00 USD. The 2 Pack SUTTLE Line Conditioner Communication Circuit Accessory KIT2CA is a set of two black adapters designed by Suttle. Specifically compatible with the SUTTLE KIT2CA model, these accessories are manufactured in China. Ideal for networking cables and connectors, this kit helps to improve communication and signal quality for DSL and phone cables (RJ-11). With a unit quantity of 2, this product is a convenient and reliable addition to any computer or networking setup.