Be confident in your purchase, we're a Certified ASG dealer. How cool is that! Includes: Selection of rundown adapters: ASG #66620: 0.25-2 lbf.in 4mm Hios drive adapter ASG #CP66612: 1/4" Hex drive adapter for use with spring ASG #CP66614: 1.3-5.0 lbf.in spring Battery charger - 12V 500mA 110-120VAC (US) style wall plug Mini USB to USB cable Carrying case Features: 0.5% full scale accuracy Calibration certificate traceable to N.I.S.T. Reads clockwise or counter-clockwise LCD display graphics 17 hour battery life Multiple torque units: N.mm, N.cm, N.m, kgf.cm, kgf.m, lbf.in, lbf.ft Communications: Mini USB to USB and RS-232 3 Modes of Operation: Track, Peak, and First Peak Multiple Functions: Auto Reset, Auto Memory, Auto Zero, Real Time Clock, Pass/Fail Statistics, Torque Bar, Battery Indicator, Charging Status Indicator, and Transducer State 500 readings store in memory Data collection software Torque Link included. Available for download here 3/8" female square drive Not for use with impact or pulse tools Torque range - imperial: 0.5 - 5.0 lbf.in Torque range - metric: 0.06 - 0.56 n.m Drive size: 3/8" female square Dimensions - imperial: 7.1 x 4.4 x 2.2 in. Dimensions - metric: 181 x 112 x 56 mm Weight - imperial: 5 lb. Weight - metric: 2.3 kg Battery: 1.2v nimh cell x 6 Supplied battery charger: asg #66608, dtt series us style battery charger Charging time: 2.3 hours Lifetime per charge: 17 to 40 hours Data output: real time and downloadable Application type: manual Testing tools or installed fasteners?: tools Esd safe: no Warranty: 1 year ASG DTT Series Digital Torque Testers are used for setting, verifying, and measuring torque. ASG's ASG DTT-5 3/8" Female Square 0.5 - 5 lbs Rechargeable Digital Torque Tester is equipped with an array of advanced features including data collection. Portable and easy to use, these torque testers can test screwdrivers and manual tools, however, they are not for use with impact tools. Perform on-the-spot calibration with torque accuracy of +/- 0.5% full scale.