• Cushion-Grip – handle allows
  for greater torque and comfort
• Patented Tip-Ident – quickly
  identifies the srewdriver type and tip orientation
• Premium chrome plated – for
  smooth feel and corrosion resistance
• Internal flanges – inside
  handle provide solid, twist-resistant blade anchor
• Special heat-treated shafts
• Precision-machines – tip for
  exact fit
• Meets or exceeds –
  applicable ASME / ANSI specifications
• Heavy-duty square shank for
  wrench-assisted turning
• Bolster reinforces shank for
  hard use
• Designed for the most
  demanding uses

Klein
Tools 600-4 1/4″ Keystone-Tip Screwdriver – 4″ Heavy-Duty Square-Shank