Manufacturer Part Number: 647|Drive Size|1/2 in; 1/4 in; 11/32 in; 3/16 in; 3/8 in; 5/16 in; 7/16 inHandle Type|Cushion GripShaft Type|HollowContainer Type|PouchShaft Length (mm)|Shaft Length (Inch)|6Shaft Length|6inOverall Length (Decimal Inch)|Overall Length (Inch)|6Overall Length (mm)|Material|Finish|Chrome-PlatedHandle Color|Magnetic|Insulated|NoNon-sparking|Esd Safe|Tether Style|Features|Internal Flanges Provide Solid, Twist-Resistant Shaft AnchorIncludes|(7) NutdriversStandards|Federal Spec|Fractional Sizes|3/16;1/4;5/16;11/32;3/8;7/16;1/2Metric Sizes|Size Range|3/16 to 1/2 inNumber Of Pieces|7System Of Measurement|InchProduct Service Code|5120UNSPSC Code|