DISSTON BLU-MOL Xtreme QuickCore Hole Saws. Patented hole saw system that has up to 10X faster core ejection. Eliminates the #1 Issue with using a hole saw of core ejection. Quick change sleeve with and open back arbor allows for fast core removal. 1 Mandrel for all sizes. The wide Diamond slot and open back design allow for increase visibility and cooling while cutting. The QuickCore design allows for immediate plug removal with no need for added tools. 1-7/8 in. D of cut and Bi-Metal construction allows for cutting into wood， metal， plastic and stainless steel. All sizes of hole saws available. Works with BLU-MOL E0100228.

• QuickCore’s patented technology provide up to 10X faster core ejection through the unique open-ended design
• QuickCore’s patented mandrel enables the user to quickly change hole saw sizes
• Can be used with all QuickCore hole saw sizes
• Back opening allows for better visibility
• Faster， smoother， more accurate cutting