Klein Tools 31972 Bi-Metal Hole Saw, 4-1/2-Inch Subcategory:Drilling and Holemaking They have a rugged design

They have a rugged design for better impact strength

Smartly designed headlamp bracket also attaches directly to Klein® Hard Hats (those equipped with bracket system)

The Klein Tools Journeyman 18-Piece Tool Set includes many of the vital tools needed for electrical wiring and connecting work

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

Made in USA with Custom

Klein Tools 31972 Bi-Metal Hole Saw, 4-1/2-Inch Subcategory:Drilling and Holemaking They have a rugged designKlein'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