Bosch BTD40S 40 pc. Tap and Die Set

Plug taps – engineered for cutting metric right-hand internal threads Dies – engineered for cutting metric right-hand external threads; commonly used for threading rods, bolts, and studs; heat-treated carbon steel – provides superior durability and speed Rolled threads – deliver more accuracy and are cleaner than machined threads, Weight: 4.78 pounds, Manufacturer: Bosch