3 Pack, 4" x 5/16" x .058" x 10 Tooth, U-Shank Style, Jig Saw Blade, Cuts Soft Clean Wood Between 3/16" - 1-1/4", PowerBlast Technology Increases Durability, Precision Ground Teeth With Optimized Tooth Angles Provide A Clean Finish & Resist Burning, Narrow Profile Clearance To Cut Tight Curves.