Manual Torque Screwdrivers are made in two popular designs: inline and pistol grip. Modern manual torque screwdrivers are ergonomic in design and even offer a rubber grip for decreased fatigue. A manual torque driver can have a range of 0 to 180 In Lbs. Application: A manual torque screwdriver is ideal for light duty applications that require basic torque control. These adjustable torque screwdrivers are used in a variety of manufacturing environments. Manual torque screwdrivers are not recommended for high volume screw fastening due to the risk of repetitive operation injury (CTS).