5/8 Teeth Per Inch, 9 Length, 1 Height, 0.062 Thickness ? 1/2 Universal Tang fits Most Recirocating Saws, 25 Blades per Package ? A thicker, more rigid blade body resists fracturing and bending for maximum durability. ? The 1 tall blade body reduces blade twisting for straighter, more accurate cuts. ? Matrix II bi-metal teeth for greater durability. The Ax delivers superior durability and fast cutting in nail-embedded wood, plywood, OSB and engineered lumbers. A precise manufacturing process creates a sharper cutting edge on each tooth for a faster cutting blade. A complete, unset raker tooth on the blade tip allows for easier, faster plunging by minimizing walking and bouncing.