Klein's Bi-Metal Hole Saws are optimized for cutting steel. The blades provide the fastest, most consistent and longest lasting cutting on the market today. Heavy-duty construction includes thicker 5 mil back plates to stand up to abuse much better.Warnings Always wear approved eye protection. Never use on or near live electrical circuits. Read and follow safety instructions in power tool owners manual. Features Long lasting, fast cutting blade Hex-shaped base for easy removal from arbor Heavy-duty steel construction includes a thick back plate to withstand abuse Optimized for cutting steel including stainless steel Use with Klein Tools Arbor (Cat. No. 31906), sold separately Use with Klein Tools Arbor (Cat. No. 31906). Sold separately Cuts precise holes in drywall, ceiling tile steel, wood, plastic and stainless steel Multiple slots provide different leverage points to easily remove slugs Size: 3 in (7.6 cm) Depth: 6.66 in Width: 4.806 in Height: 2.25 in Overall Length: 2 in (5.1 cm) Hole Diameter: 3 in (7.6 cm) Pipe Entrance Size: 2.5 in (6.4 cm) Weight: 0.22 lbs Material: Steel, Bi-Metal For Use With: 31906, Klein Tools Arbor 31906 Drilling Depth: 2 in (5 cm) Construction: Heavy-duty with thick back plate DownloadsSpec SheetVideo Download