Hole Saw Drill Guide 

For Hole Saws and Core Bits

Suction Guide, Stainless Steel.

Not Plastic

Holds hole saws in place when using bits with no pilot Drill.

What a Great Idea !!!

So No Jumping Around The Tile and No Starting at an Angle 

Starting at an Angle Will Work but Tends to Leave an Oval Shaped Hole.

Professional Grade.