Apex Tool Group Weller WXsmart Soldering Tips are designed to work with the WXsmart Soldering System. The tips are fully compliant with IPC industry standards (IPC-TM-650 2.5.33 Measurement of Electrical Overstress from Soldering Hand Tools). These high-performance tips offer fast, safe, and easy tip exchange as well as clear-identification smart tips. Additional features include accurate data results with a tip-offset function, full process control with a tip-lock function, and full traceability with an ID number and integrated data storage. Apex Tool Group Weller WXsmart Soldering Tips provide a fast heat-up time with 3s for the RTPS series, 5s for the RTMS, and 7s for the RTUS.