The Erem 503E Tip Cutter offers an angled head for precise cuts at different working angles. The Weller Erem Series 500 Micro is a full range of medium sized, robust, precision cutters with a wide range of head shapes. The cutters are manufactured from high grade tool steel. The cutting edges are hardened to Rockwell 63-65 HRC. The 503E also offers a non-reflecting surface, is ESD safe and also resharpable.