Draper 12 square drive 40 210nm or 30 154lb ft ratchet torque wrench draper 30752 the draper repair kit for 30357 12 square drive torque wrench has been designed with 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 30 210nm221 1549lb ft overall length 475mm supplied i