Renown Down Hole Solutions inc. Selective Zone Swab Sleeve is a tool designed to redirect flow out its annular. Ideal for multiple zone swabbing on a single trip of pipe or cleaning out debris on top of packers or running tools. Often ran in conjunction with packers as well as a sliding sleeve, bypass valve or tubing drain. The Swab Sleeve uses an adjustable shear to isolate the tubing from the lower zone once swabbing is completed.