NoticeConversion of Fein part numbers to Würth part numbers.
The three digits after 639 03 ... in original Fein numbers are crucial, or the three-digit number punched into the knives.
If the number starts with "0", e.g. 095, a "5" is used instead of the "0".
If the number starts with "1" or "2", e.g. 126, a "5" is inserted in front of the "1" or "2".
