General description This Draper 78641 Precision Torque Wrench is a 3/8" square drive tool designed for precise tightening. It features a click-type operation and micrometer adjustment, allowing users to easily set and apply the correct torque. The wrench is suitable for clockwise torque application only and covers a torque range of 20 to 110 Nm. It is supplied in a durable blow-moulded case for easy storage and transport. Technical specifications Drive size: 3/8 inch Torque range: 20-110 Nm Operation: Click-type with micrometer adjustment Length: 20.3 cm Compatibility and accessories Compatible with standard 3/8" drive sockets Supplied with a blow-mould case for storage Installation No installation required; ready to use out of the box Usage Set the desired torque value using the micrometer adjustment Apply torque in a clockwise direction until the click indicates the set torque has been reached