2 tap holders with square head. 1 thread gauge with 12 blades for following thread pitch: 0.5 - 0.6 - 0.7 - 0.75 - 0.8 - 0.9 - 1.0 - 1.25 - 1.5 - 1.75 - NPT27 - BSP28. for thread re-cutting on wheel nuts and bolts.
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