The Nicopress 17-2 & 17-BA hand tool is designed for pressing oval and stop sleeves ranging from .012" through 1/32" (.26mm-.80mm). This is the tool used for making wahoo leaders with titanium wire, or crimping mono or fluoro from .70mm-1.05mm. The 17-BA tool will press Nicopress part # 17-1-B and 27-1-B oval sleeves.