1/2 drive adjustable click type torque wrench is a relatively new products, self-developed by Shanghai UB Machinery.1/2 drive adjustable click type torque wrenches have large view double window scale as well as push/pull end cap to secure the set torque value from accidental change. Not only push-through ratchet head, but also tear-shape ratchet head is available.Feature and Advantage● STMX model: Push-through ratchet head for clockwise and counter-clockwise operation.● STML model: Tear-shape ratchet head, both directions, easily operated reverse lever.● Unique window scale with fine increments, non-slip handle.● Accuracy: ±4% of the reading value.● Push/pull end cap to setting torque, easily operation, ensure the stability of the set value.● This 1/2 drive adjustable click type torque wrench is longer than normal torque wrench, more efficiently while long time using.● Alloy tube, Chrome plated, high strength, more durable.SpecificationMetricItem No.Square DriveTorque RangeIncrementLengthWidthWeightN.mLb.ftN.mmmmmkgSTMX31001/2"20-10015-750.5442481.1STMX32001/2"40-20030-1501515481.3STMX33001/2"60-30045-2251.5565481.4STMX34001/2"80-40060-3002700501.7STMX45503/4"100-55080-4053889703.6STMX47503/4"150-750110-55051110704.2STMX48503/4"200-850150-65051210704.67STMX410003/4"200-1000150-75051210704.67STMX515001"300-1500200-1100101710906.5STMX520001"400-2000300-1500101810906.8Item No.Square DriveTorque RangeIncrementLengthWidthWeightN.mLb.ftN.mmmmmkgSTML31001/2"20-10015-750.5448431.1STML32001/2"40-20030-1501515431.2STML33001/2"60-30045-2251.5575431.4Application1/2 drive adjustable click type torque wrenches are suitable for various industries like construction, automotive, chemical, nuclear, energy and other industrial environments.Service12-month warrantyFAQ1, What is the difference between STMX model and STML model?STMX model is push-through ratchet head, STML model is tear-shape ratchet head.2, Do you ensure a high degree of data integrity and consistency?Due to product improvement, the technical parameters are subject to variation, please refer to the actual production from the factory.3, What is the price of 1/2 drive adjustable click type torque wrench?Different purchase quantity, different price.?