This 19-piece set features high-speed steel drill bits made to DIN338 standards, providing precision and durability for a variety of drilling applications. Sizes Included : 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9.0, 9.5, and 10mm. HSS-G : Ground for superior accuracy and performance. DIN338 Standard : Meets industry standards for high quality. 135 Degree Split Point : Reduces the need for centre punching and enhances drilling precision. Storage : Supplied in a durable metal storage case for easy organisation and protection. Brand : US PRO Bergen