Features-
Bi-Metal Holes Saws
TUFF TOOTH design is reinforced to cut stronger and last longer
Patented VARI-TOOTH® design resists tooth strippage
High speed steel teeth resist breaking and offer extended life
thick backing plate with holes for drive pins resists damage due to high torque

Specifications-
IMPROVED METAL CUTTING PERFORMANCE  
Increased wall thickness improves durability and minimizes tooth loss
Optimized tooth design penetrates metal with ease
FAST, EFFICIENT CUTTING IN WOOD  
Larger, sharper teeth remove more wood for fast cutting
EASY PLUG REMOVAL  
SPEED SLOT  staircase design for fast, easy plug ejection