Hi-Spec Metric Tap and Die Set, 39-Piece M3M12 Thread Tapping and Threading Tool Kit for Chasing Threads, with Tap Wrench and Screw Pitch Gauge

39pc Complete Metric Tap and Die Set: For DIY garage and workshop tapping and threading. Start thread milling, internal or external rethreading, cut new material, chase damaged and old screws, repair rusty nuts, bolts and spark plugs | Screw Threading and Tapping: 8 Metric sizes from M3 to M12 with 16 pitch sizes plus NPT (1/8-27); coarse and fine sizes and pitches; three and four flute tapered and plugged taps and dies | Metal Tapper and Threader Kit: For steel, cast iron, aluminum, brass, and bronze; made from high-carbon chromium-bearing GCr15 steel for hardness, wear resistance, and corrosion protection | Tap and Die Wrench Handles: Large and precision sized adjustable T-handle tap wrenches; a large die wrench handle for holding the various dies; with knurled non-slip turning grips | Screw Pitch Gauge and Screwdriver Accessories: Measure threads accurately with the 16-blade gauge for SAE (13 to 40 TPI) and Metric (0.5 to 1.75) sizes; a handy mini screwdriver fixes in taps and dies