Phoenix Contact 1212510 Crimpers have settings that allow them to accommodate different contact sizes, specifically designed for use on turned contacts and allowing for up to 2.5 square millimeters of cross-sectional area. These tools also feature digital displays with precision measurements in 0.01 millimeter increments, enabling users to accurately position the contacts. Additionally, some crimpers come equipped with pressure locks that can be unlocked, providing flexibility in usage, and may include a positioning tool for enhanced control.