Product Info Catalog Tools Power Drill, Bits & Accessories Bi-Metal Hole Saw, 4-1/2-In. Bi-Metal Hole Saw, 4-1/2-In. Request a Quote UPC: 82472300727 SKU: 838752 Model Number: 3007272L 4-1/2" diameter, bi-metal hole saw, vari-tooth design, 1-1/2" cutting depth. 4-1/2" diameter Bi-Metal Vairable tooth design 1-1/2" cutting depth