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:BMX50i Drive Size:1/4" F/Sq Range: 56.5 - 565 cN.m ,5 - 50 lbf.in, 5.5 - 57.6 kgf.cm. Tool Width:2.75 Tool Height:2.1