Milwaukee Sawzall THE AX 9 In. 5 TPI Wood w/Nails Demolition Reciprocating Saw Blade (5-Pack)The AX Demolition Sawzall Blade for wood with nails is designed to reduce bending and breaking. Bi metal blade is wider and thicker than standard blades yet fits all reciprocating saws. Nail Guard offers a unique design that protects against tooth fracture. Fang Tip teeth bite into wood on first contact and are made of Matrix II bi metal for greater durability. 1 2 In. universal shank. Ideal for plumbing, remodeling, and demolition work.