All models have an integrated direct reading window scale that eliminates false readings by displaying the torque value. The torque value is continuously adjustable by using the provided adjustment tool (torque setter) which prevents unauthorized torque changes. Tested in accordance with EN ISO 6798, BS EN 26789, ASME B107.14M. Ergonomic multi-component handles, light and compact, Size proportional to optimize torque range. Audible click when torque setting is reached. Includes Certificate. With Window Scale Pre-Sets In. lbs: 5-10 WARNING: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.