Chicago Latrobe 550 Series Cobalt Steel Jobber Length Drill Bit Set with Metal Case, Gold Oxide Finish, 135 Degree Split Point, Metric, 25-piece, 1.0mm – 13.0mm in 0.5mm increments (Pack of 1). Set of 25 jobber length drill bits includes metric sizes 1.0 through 13.0 mm in 0.5 mm increments. Cobalt steel provides extended tool life compared to high-speed steel drill bits when drilling hard materials. Gold oxide finish lubricates and provides wear resistance on ferrous materials. Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging. Drill bits conform to DIN 338 standard overall length and flute length specifications. Made in the USA. Chicago-Latrobe 550 Series Jobber Length Drill Set with Metal Case – Sizes in Set: 1mm – 13mm x 0.5mm; Number of Tools: 25; Material : Cobalt; Point Angle: 118 Degrees; Finish/Coating: Gold Oxide Finish. Please wait for the result of cancellation. The order will be processed and completed by automatic warehouse system within 5 minutes. Sending direct message to cancel the order is not allowed for every case. For the return case. We try our best to make sure every customer is completely satisfied. If there’s a problem, feel free to message us! – We’re happy to help.