Klein Tools 31972 Bi-Metal Hole Saw, 4-1/2-Inch Subcategory:Drilling and Holemaking Spring-loaded for self-opening action and

Spring-loaded for self-opening action and comfortable

VDE Certified with unique three-part insulation with white underlayer provides warning sign that insulation may be compromised

They have a rugged design for better impact strength

compact grips pull an exceptionally wide range of cable sizes and types

Klein Tools 31972 Bi-Metal Hole Saw, 4-1/2-Inch Subcategory:Drilling and Holemaking Spring-loaded for self-opening action andKlein'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. Optimized for cutting steel including stainless steel Cuts precise holes in drywall, ceiling tile steel, wood, plastic and stainless steel Long lasting, fast cutting blade Multiple leverage points for easy