Easy to use spoke wrench that allows you to torque your spokes accurately and quickly. Removes the guess work out of wheel building, truing and general spoke maintenance. Adjustable from 30 to 150 inch-pounds (Equivalent to: 2.5 foot-pounds to 12.5 foot-pounds; or 3.4 Newton-meters to 16.9 Newton-meters) Calibrated to +/– 2% accuracy. Includes 5 drop forged heads to fit the most popular spoke nipples. Wrench kit comes with torque wrench, case, and heads (6.1mm, 6.3mm, 6.6mm, 6.8mm, 6.9mm).