Incline Screens KPI-JCI offers you a full line of incline screens.  From small buzzer screens to large heavy duty scalping screens; KPI-JCI has your portable or stationary solution.  Your options include: Kolberg Incline Screens use c-springs and a single shaft to serve light applications. JCI Incline Screens use multiple shaft configurations to serve most applications. Pioneer Incline Screens utilize a one shaft configuration and serve most applications. Pioneer Mesabi® Screens serve scalping and primary crusher feed applications.