Manufacturer Part Number: J4990-4MXL|Socket Type|Hex BitDrive Size (Fractional Inch)|Tool Type|Hex Bit SocketHex Size (mm)|4.00Hex Size (Inch)|Torx Size|Bit Length (mm)|Bit Length (Inch)|5Bit Length|5.0000inBit Length (Decimal Inch)|Insulated|Tether Style|Material|Finish|Overall Length (Decimal Inch)|Overall Length (Inch)|6-29/32Overall Length (mm)|Standards|Non-sparking|Additional Information|3/8 Drive Sizes|Measurement Type|1/2 Drive Sizes|1/4 Drive Sizes|Number Of Pieces|UNSPSC Code|27110000