Torque wrench accuracy ±3% between 20% and 100% of capability Pull-adjustment collar for quick and easy torque setting changes 1-year limited warranty, calibration warrantied for 90 days The GEARWRENCH family of torque wrenches & torque products offer the latest innovations in torque measurement. Included in the line are micrometer, tire shop, beam and electronic torque wrenches, as well as torque multipliers. The micrometer wrenches are available in fixed head and flex head. The fixed head line offers wrenches in 1/4" to 3/4" drives. Flex head wrenches are available in 3/8" and 1/2" drives. The tire shop wrenches feature a rugged tire tread rubber cover on the head intended to specifically be used for checking wheel lug nuts, and are available in 3/8" an.