Side cutter - oval head The Weller Erem Series 600 Micro is a range of miniature precision cutters that offers a wide variety of head shapes for access in hard-to-reach areas. These micro cutters are suitable for SMD and leads (670EP, 670EPF). The cutters are made from high-grade tool steel with cutting edges hardened to 63 - 65 HRc. The precision cutters have a non-reflecting surface, are ESD safe and resharpenable.