Bahco 3832-89 Carbide-Tipped Hole Saw 3-1/2-Inch 3 1/2-Inch holesaw Designed to quickly and cleanly cut precise holes in ceramics, bricks, slate, laminate, fiberglass, and hardwood Provides an impressive combination of strength, cutting power and durability 4 precision ground carbide tips per-Inch Equipped with vertical slots for easy core removal