Proto J8181 T500 Double Box Wrench Alloy Steel, Chrome, 1 2 in_9 16 in Head Size, 8 3 4 in Overall Lg, Offset G5930257 5% RH from 25% to 5% RH from 25% to 85% RH Battery Life 1 yr Time Intervals 1 sec to 18 hr Software Required Yes Special Features User Replaceable RH Sensor Item Data Logger Waterproof IP50 Interface USB Compatible With HOBOware or HOBOware Pro AC Adapter no Calibration Certificate Temperature Only Digital Readout yes Alarm User Programmable Remote Probe No Product Type Data Logger Package Quantity 1 Palm Construction PVC Finger Material Ribbed Nylon and Spandex Lining Micro Fleece Thumb Material Ribbed Nylon and Spandex Cut Clute Coating Material DuPont(TM) PTFE(R) fabric protector Knuckle Padding Material TPR and Fleece Stitching Material Triple Bonded Nylon Thumb Style Wing Color Black Closure Type Neoprene Wrist Item Cold Protection Gloves Finger Style Full Finger Temp Not Tether Capable Box Ends Feature The Torqueplus(TM) Design Offset 60 Degrees Wrench Style Double Box End Insulated No Wrench Material Alloy Steel Tether Style Not Tether Capable Box End Type 12 Point Box End Ratcheting No Head Offset Angle 60 Degrees Handle Color Silver Non Magnetic No Handle Type Steel Nonsparking No Measurement Type SAE Grip Style Plain