Blu-Mol Xtreme QuickCore 3 in. Bi-Metal Hole Saw

QuickCore's patented technology allows you to engage the quick release, exposing the unique open-ended design to remove the plug immediately using no added tools.
Progressor tooth design cuts faster and lasts longer in wood and metal applications
Reinforced shoulder for added strength and longer life
The unique open ended design removes the plug immediately
Diamond shaped sidewall cutouts increase visibility while cutting
Prolongs battery life when used on cordless tools