Compatible with hole saws up to 6-3/8-Inch in diameter and arbors up to 1/2-Inch
Vacuum port with friction fit is easy to connect and accommodates three of the most common vacuum hose sizes: 1-1/4-Inch, 1-7/8-Inch, and 2-1/2-Inch
Smooth, sealed ball bearing collar provides a low-friction and durable surface to interact with hole saw arbor
Dual material bowl provides necessary support when starting the cut, while flexing as you move through the material
Collapsible for convenient storage
Translucent to allow for easy cutting tool alignment