Introduction KrinBack utilizes a unique lantern design that provides greater brush life. This lantern design also allows easy, remote location redressing when required, saving time and delivering a higher level of service. The tool's effective, robust, and flexible design allows for complex operations. Features Brush cleaning life prolonged during rotation . Self-centralizing, flexible-brush lantern . Available in all common casing/ liner sizes. Supplied with drill-pipe box-up/ pin-down connections . Brush pads can easily be replaced on location. Application Pre-completion/Drill-Stem Test (DST) and workover cleanup operations. Can be used as an integral part independently, or as a part of COMBO Wellbore Cleanup tools. Can be rotated and reciprocated without damage to either the casing or the tool