9", 5 Tooth, Sawzall Bi-Metal Wood Cutting Reciprocating Saw Blade, Fast Cutting Nail Embedded Wood & General Roughing In, New Nail Guard 5 TPI Pattern For Faster Cuts & A Unique Design That Protects Against Tooth Fracture, New Fang Tip Bites Into Wood On First Contact For The Fastest Plunge Cuts, Bulk.