Bahco 3840-150-18-ST-100P Bi-Metal Reciprocating Saw Blade 6-Inch 18 Teeth Per Inch (100 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 100 blades Blade thickness of .035-Inch and 18 teeth per-Inch Shaped with improved performance of precision ground teeth Virtually unbreakable blade is for all materials and type of cut, especially metal cutting Features a standard shape for fast and aggressive straight cuts