Molex 0011010204 obsolete crimp tool replacement.
The recommended replacement offered by Molex is 638190100 Digi-Key part number
WM9020-ND which is also obsolete The recommended replacement offered by Molex is 2133091200 DigiKey part number 900-2133091200-ND
Can be verified on the product page for the original on the Molex website.
Please review the datasheets to ensure the alternative will work for your application.