Extra set of contact sleeves for use with the Pro-Troll Black Box. Pack of two.
The Pro-Troll Black Box comes with two contact sleeves which will operate two downriggers.  Contact sleeves are mounted on the downrigger and connect the Black Box to the downrigger cable.  A stainless steel coil of heavy wire performs this function.  These extra contact sleeves are available for fishermen who want to connect the Black Box to more than two downriggers.  There are two contact sleeves in this package.