I have added all holders as separate designs here below, but in short there are three types of holders on this organizer, two that gives you nine slots for 12mm lathe tooling, four that holds a tool with MT2 taper and six mounts for our quick change tool post holders.The organizer consists of:MT2 Tool holder - https://www.youmagine.com/designs/mt2-tool-holder-for-lathe-mill12mm Lathe tool holder - https://www.youmagine.com/designs/12mm-lathe-tool-holderQCTP Tool holder - https://www.youmagine.com/designs/lathe-qctp-holder