Nes 1015 is a 3-piece combination set for both external and internal thread repair. This set comes with one external and two internal tools. One hand tool restores inch or metric, right handed or left handed fastener threads. No need for calibration or identifying thread types.Floating cutters are self-adjusting to any pitch and size within range. Automatically chases good thread sections to repair the damaged parts. Blades are made of high quality hardened tool steel and guided by the existing undamaged section of the thread to regroove the damaged section. This item is in the category "Home & Garden\Tools & Workshop Equipment\Hand Tools\Taps & Dies". The seller is "vksal-59" and is located in this country: US. This item can be shipped to United States.