Capacity Hand Tite Chucks, 0.06 in 0.5 in, Threaded 3 8 24 ORS NASCO Scal Arbor Thread TPI Scal Arbor Thread TPI or Pitch 5 8 in to 11 Big Catalog YES Brand PFERD Catalog MPI Catalog Color Steel Gray Construction Catalog NO Country of Origin US Dia harnesses and flush cuts soft wire up to 14AWG Split bite jaw increases grip over standard bite chucks by providing more contact with the bit Superior gripping force provides high mechanical advantage to convert hand tightening torque into superior bit gripping force Hammerlock® mechanism is a positive locking mechanism that prevents loosening in hammer and other high vibration applications Anti lock nut prevents chuck from lock opening Precision operation that meet or exceed stringent din run out and dimensional specifications