While home Depot carries many replacement blades for a multi tools such as Milwaukee, DeWalt and others, if the Fein multi tool uses the same connection pattern you have several to choose from, however, they don't specifically carry the Fein blades. Here's the link to their site detailing what they do carry: https://www.homedepot.com/s/Fein%2520multi%2520tool%2520blades?searchtype=text&NCNI-5
Yup
No not personal carry that line.but like the answer before you can match orher brands
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