Rockwell RW8971 Wood Plunge Cut Blade, 1-3/8" x 3-1/2" x 1.38"Highlights: Size: 1 3 8" x 3 1 2" x 1. 38" Material: Bi Metal Bi Metal Extended Life Universal Fit For aggressive plunge cutting up to 1 5 8" depth in wood, plastic, drywall, fiberglass, nails, non ferrous metals, thin sheet metal and hardened fillers Precision ground, beveled tooth design Bi metal with hardened teeth to cut non ferrous metals Universal accessory fits all tools WARNING: This product can expose you to chemicals including Lead, which is