Meeting the demands to test multiple torque ranges for various torque tools used in production, maintenance and calibration labs, the versatile torque sensor is used in conjunction with a torque tester. The torque sensor is a bench mounted calibration instrument designed for torque wrench calibration, torque screwdriver calibration, and electric & pneumatic screwdriver calibration. Controlling torque is quintessential for companies to ensure their product's quality, safety and reliability isn't compromised. Accuracy .25% of full scale and Bi-directional. Model:BMX50F Drive Size:3/8" F/Sq Range: 6.8 - 67.8 N.m ,5 - 50 lbf.ft, 0.7 - 6.9 kgf.m. Tool Width:2.75 Tool Height:2.1