Check the listing for details. Tools 7402 Universal Outside Thread Chaser 6 Dies External Thread Repair Tool. Condition: New. Listed at 49.50 USD. Fitment:work on threads with diameters from 1-1/4” to 5” O.D. Features: (1)External Capacity：1-1/4” to 5” inch O.D. Eliminates the need for expensive thread-cutting equipment. (2)Immediately Save, Repair & Bring Damaged Threads Back to life. Quickly restore threads to near original condition. (3)The die cast alloy V-pad will not damage the threads. V-pads and dies can be replaced when worn out. (4)Thread chaser includes 6 dies (No.216884) : threads per inch - 4, 5, 6, 7, 7-1/2, 8, 9, 10, 11, 11-1/2, 12, 14, 16, 18, 20 and 24. (5)Simply tighten the tool slightly on the good threads then back it off over the damaged thread area to restore threads quickly and accurately. (6)Precision dies restore threads to their original condition to make reassembly of matching parts faster and easier. Package included: 1*Thread chaser, 6 * standard dies: threads per inch - 4, 5, 6, 7, 71/2, 8, 9, 1 0, 11, 11 1/2, 12, 14, 16, 18, 20,24