Blu-Mol Xtreme E0100233 QuickCore Bi-Metal Hole Saw Set with 1-7/8 in. Cutting
QUICKCORE HOLESAW ST 7PC. The material must be able to be removed from the hole saw easily. Also, the line of sight has to be good so you can see where you are cutting. There is a presence of quality when you pick up these hole saws.