FEATURES TIME & MONEY SAVER -- External Capacity：1-1/4” to 5” inch O.D. Eliminates the need for expensive thread-cutting equipment. FUNCTION -- Replace OTC 7402 & 202817 Metric Die Set. Immediately Save, Repair & Bring Damaged Threads Back to life. Quickly restore threads to near original condition. BENEFITS -- The die cast alloy V-pad will not damage the threads. V-pads and dies can be replaced when worn out. WHAT YOU GOT -- Thread chaser, No.216884 standard die set, No.202817 die set. .