External Capacity is 5/32" to 11/16"
Internal Capacity is 5/16" to 5/8"
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
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. The Nes 1A external thread repair, which has a working capacity from 5/32" - 11/16". Also the Nes 21 and Nes 22 internal tools, which have a working capacity from 5/16" - 7/16" and 1/2" - 5/8".