Bahco 3-5/8-Inch 3845-18-10P Bi Metal Car Body Saw Blade, 10-Pack BAHCO bi-metal blades are the perfect combination of strength and flexibiliy Blades feature powerful teeth of hardened, high speed stell which are electron beam welded onto a spring steel backing This Product is manufactured in Sweden Pack of 10 blades 18 teeth per-Inch Material thickness capacity of over .20-Inch Car body saw blades for pneumatic or electric reciprocating body shop saws Mainly used in automotive body shops