DEWALT's DWA4101 8-piece 2X reciprocating saw blade set contains all the popular reciprocating saw blades used for common wood cutting, metal cutting, and general demolition. All of these blades are designed for faster cuts and longer blade life. Each blade is coated with a specially formulated anti-stick coating which minimizes friction and gum-up for smoother cuts. Set contains: three (3) DWA4166 6 in 6TPI 2X reciprocating saw blades, three (3) DWA4186 6 in 2X premium metal cutting blades, one (1) DWA4179 9 in 10TPI 2X reciprocating saw blades, one (1) DWA4188 8 in 2X premium metal cutting blade, and one (1) tough case.