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- Carbon steel blade used for soft woods and plastics. Do not use for material with nails.
- Carbon-tipped blades are best for nail-free wood, nonferrous metal, plastic and fiberglass.
- High speed steel blade is used for most metals, plastics and fiberglass. Blades are brittle and easily broken.
- Bimetal blades combine carbon steel and high speed steel. They last as much as three times longer than other blades.