Draper 38 square drive 10 80nm or 885 708lb ft ratchet torque wrench reversible ratchet head the lb ft and nm scale is engraved on the barrel of the wrench the micrometer type sleeve allows accurate preset torque values to be set when torque is reached the wrench produces an audible click and a release of tension marked range 10 80nm and 885 708lb ft supplied in blow mould storage case supplied with calibration certificate