CHAMBERLAIN STACKER (101) The Chamberlain Stacker Downrigger Release from Northern Strike features easy to use vertical and horizontal adjustments for precision settings no matter what species your fishing for. Tension is adjustable from 0 to 4.5 lbs. and the use of magnetics on the horizontal adjustment assures a fluid and accurate release. The precision design of the Chamberlain Downrigger Release minimizes false releases and is small fish friendly. The stacker feature allows placement at any point on the downrigger cable. CHAMBERLAIN ORIGINAL RELEASE (107) Chamberlain Downrigger Release from Northern Strike features easy to use vertical and horizontal adjustments for precision settings no matter what species your fishing for. Tension is adjustable from 0 to 4.5 lbs. and the use of magnetics on the horizontal adjustment assures a fluid and accurate release. The precison design of the Chamberlain Downrigger Release minimizes false releases and is small fish friendly.