DEWALT DWA4176 6-Inch 10TPI 2X Reciprocating Saw Blade (5-Pack) The product is 5PK 6" 10TPI Rec Blade Easy to use The product is manufactured in United States Aggressive shank angle increases tooth contact, maintaining cutting speed as blade wears for longer blade life Patented tooth design utilizes shaper tooth geometry for faster cut rates Specially formulated anti-stick coating minimizes friction and gum-up for smoother cuts Taller high speed steel strip reduces breakage and maximizes tooth durability