3 Pack, M12, 18TPI, Sub Compact, Portable Band Saw Blade, Deliver Long Tooth Life & Exceptional Durability In Metal Cutting Applications, Including Strut, Conduit, Angle Iron, Copper Tube, Threaded Rod & Pipe, Tooth Form, Pitch & Set Have Been Designed To Deliver Straight, Accurate Cuts Across A Broad Range Of Materials, Matrix II High Speed Steel Teeth Deliver Maximum Durability, Alloy Backing Steel Provides Extended Blade Life, Precision Formed Teeth Create Fast, Clean Cuts, Blade Dimensions: 27" x 0.5" x .02".