Edited June 1, 2020
at 09:50 AM
Homedepot has Oscillating Multi-Tool Blade Kit (8-Piece) for $19.97 down form $39.99
According to the reviews these are US made blades
It has 4 different type use blades, compatible with "most" oscillating tools and a storage case. They are of high carbon steel, and black oxide coated which makes them more durable.