Features: - Hss Extra Long Series - Drills For Metal - Hss Extra Long Series - Hss Super - 4 Mm - Single Packing - Industrial Quality - Highly Accurate - Precise - Alpen Drill Bits Are Manufactured In Austria. Range Of Application: - High Efficiency Drills For Extremely Deep Holes Where Working Conditions Such As Cutting Speed, Feed, Coolant And Frequent Chip Removal Have To Be Observed. What's in the box 1 X Hss Drill Bit 4Mm 175 X 120 Extra Long