The Sunex Tools Simple Torque Indexing Torque Wrenches are designed with a 16-position torque selecting mechanism that adjusts the torque and locks it into place with a simple press and slide of a button, reducing time and allowing users to go from minimum to maximum torque in less than a single rotation. Each torque wrench includes a durable case with latches for safe storage and are pre-calibrated to accuracy ±4 percent. The torque wrenches include: 1/4" Dr. 25-250 in-lbs, No. 10250; 3/8" Dr. 5-80 ft-lbs, No. 30580; and 1/2" Dr. 10-160 ft-lbs, No. 21160.