Nes 1A M4- M19 5⁄32"-3/4" Nes 2 M17- M38 11⁄16"-11⁄2" Nes 3 M35- M152 13⁄8"-6" External ThreadMate™ M4 – M13 5⁄32"-1⁄2" External Thread Repair Sets Nes 1000 Between M4 - M38 5⁄32" - 11⁄2" Nes 1300 Between M4 - M152 5⁄32" - 6" Diameter & pitch guide for Nes external assortment Diameter & Pitch guide for NES external assortment