First carbide hole saws that allow operators to cut wood

Ideal for electrical

Blade design for maximum precision and control

Commercial grade padlock features superior protection from drilling and prying

Accu-Grind Technology for up to 2X faster cuts in drilling and hole making

6 in. Bi-Metal Recip Blade for Thick Metal/Demolition (3/16 in. First carbide hole saws that6 in. Bi Metal Recip Blade for Thick Metal Demolition (3 16 in. to 9 16 in.) (5 Pack) Perma SHIELD coating protects the blade from heat, gumming, and corrosion Thick demolition blade body for extreme durability Ultra hardened edge increases the hardness of the cutting edge to a Rockwell Hardness of HRC 62 versus HRC 55 for standard blades