Alpen will provide you with the right drill bit for perfect results that are faster, more efficient and precise than ever before. reliable manufacturing technology guarantees the best possible quality, bit after bit HSS JOBBER DRILLS, DIN 338 RN HSS SPRINT - 4 mm jobber drill bit Packaging: Plastic Wallet - 1 Pack Range of application: HSS twist drill: toughness and precision combined with excellent cutting efficiency for drilling alloyed carbon and plain steel. Ideal for hand held operations. Strengths - Diameter diminution - Increased center web - Partial hardening of the flute length - Extra sharp cutting edges - Fast - Resilient - High fracture resistance - Fast - Resilient - Break-resistant Alpen drill bits are manufactured in Austria. What's in the box 1 x HSS Sprint Master Drill Bit 4mm 1/Pack (61504)