Spyder RCE TCT Hole Saw 1-1/8 In.
Tungsten Carbide Tipped Hole saw that cuts just about anythIng.
Remove the core at the push of a button
Easily cut hole at an angle
Double stack two cups together to enlarge holes.
Cuts Wood, Plastic, Cinder Block, Brick, Ceramic Tile and much more
Fits Spyder hex 8 arbors