Self-developed by Shanghai UB Machinery, 3/4 drive click type torque wrench is a relatively new products, which has large view double window scale as well as push/pull end cap to secure the set torque value from accidental change. Besides, there are square shank head and round shank head torque wrenches.Feature and Advantage● STMX model: Push-through ratchet head for clockwise and counter-clockwise operation.● STMH model: Square head holder, for 9x12mm, 14x18mm, 24x32mm square shank head.● STMR model: Round shank head holder ?16, accommodate varied relevant round hole inserts.● Unique window scale with fine increments.● Accuracy is ±4% of the reading value.● Ergonomic, non-slip handle.● Push/pull end cap to setting torque, easily operation, ensure the stability of the set value.● This 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.Shank SizeTorque RangeIncrementLengthWidthWeightmmN.mN.mmmmmkgSTMH91009x1220-10015-750.5423430.9STMH91509x1230-15025-1151463431.1STMH1415014x1830-15025-1151467431.1STMH1420014x1840-20030-1501494431.2STMH1430014x1860-30045-2251.5554431.2STMH1440014x1880-40060-3002707561.6STMH2455024x32100-55080-4052.5889562STMH2475024x32150-750100-55051110564STMH2485024x32200-850150-65051260564.2Item No.Round SizeTorque RangeIncrementLengthWidthWeightmmN.mN.mmmmmkgSTMR16100φ1620-10015-750.5423430.9STMR16200φ1640-20030-1501487431.1STMR16300φ1660-30045-2251.5545431.2STMR16400φ1680-40060-3002700431.3Application3/4 drive click type torque wrench is suitable for various industries like construction, automotive, chemical, nuclear, energy and other industrial environments.Service12-month warrantyFAQ1, What is the difference between STMH model and STMR model?STMH model has square head holder, STMR model has round head holder.2, What is the delivery time of 3/4 drive click type torque wrench?The delivery time will be estimated based on your purchase quantity.3, What is the shipping cost of 3/4 drive click type torque wrench？Shipping costs will be calculated based on order total.