Universal outside thread chaser to be used on shaft parts with external threads from 1.25" up to 5" outside diameter. Quickly restores threads without the need for cutting, saving both time and money. Overall capacity 31.75mm - 127mm (1.25 inch - 5 inch).Includes 6 interchangeable pads for 24 different thread pitches, covering both metric & imperial. Metric: 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5. Threads per inch: 4, 5, 6, 7, 7.5, 8, 9, 10, 11, 11.5, 12, 14, 16, 18, 20, 24.