STTC-140 Conical Sharp Bent 30° Long Reach 0.4mm x 16mm (.016" x .63") Features and Benefits: STTC Cartridges provide a wide range of options for through-hole and SMD Rework. For use with the MX-500 and MX-5000 & MX-5200 Systems and with the MX-RM3E and MX-H1-AV Hand-pieces. 700 Series for most standard applications.