Spyder 600105CF 4-1/2" Bi-Metal Hole Saw Rapid Core Eject™ Size:4-1/2" TRUE does not recommend sharpening

TRUE does not recommend sharpening the Swift Edge replacement blades

and flea larvae through contact

Includes 2 Washers & 2 Nuts Per Hinge

The pencil point bar works in the toughest conditions

UL versions of this item are available if required by code

Spyder 600105CF 4-1/2" Bi-Metal Hole Saw Rapid Core Eject™ Size:4-1/2" TRUE does not recommend sharpeningDurable bi metal blades create smooth cuts in steel, stainless steel, nail embedded wood, plastics and more Use Spyders Rapid Core Eject arbor to cut up to 5x faster than standard hole saws remove cores without prying, cut at an angle, and enlarge existing holes Variable tooth pitch provides a fast clean cut through all material thicknesses up to 1 7 8 in Spyders Bi Metal hole saws feature variable tooth pitch geometry and bi metal steel that make