Check the listing for details. LATHE BORING THREADING TOOL SET HSS INTERNAL & EXTERNAL 10MM. Condition: New. Listed at 70.00 USD. Tired of juggling separate, costly tools? Elevate your workshop with the all-in-one SCT 6-Piece Internal Threading and Boring Set. This is the ultimate solution for machinists, engineers, and serious hobbyists who demand quality and convenience. This comprehensive set gives you everything you need to create perfect bores and crisp, clean internal threads right out of the box. 3 x Boring Bars: For precise internal enlarging and finishing. (5mm, 6mm & 7mm cutting heads). Time-Saving: No more switching between incompatible tools – this set works seamlessly together. Perfect for Use On: Metal Lathes, Milling Machines, and CNC setups (with a compatible holder). Don't waste time and money on inferior or single tools. This professional set offers incredible value and will quickly become your go-t.