Professional grade set of Titanium over alloy steel for superior cutting power without brittleness * Includes both fine and coarse threaded taps and die in Metric sizing * 17 pieces taps and hexagon die with thread pitch in SAE sizes * Adjustable and T-Handle tap wrenches, adjustable die wrench, screwdriver, thread pitch gauge. * Complete with compact custom fit latched ABS storage and carry case to protect and organize