Retractable hole saw.
<video controls autoplay loop> <source src="https://diqn32j8nouaz.cloudfront.net/pocket_holesaw_green_angled.mp4" type="video/mp4"> Your browser does not support the video tag. </video>
Previously:
https://www.homemadetools.net/forum/...826#post198365
https://www.homemadetools.net/forum/...842#post190714
https://www.homemadetools.net/forum/...484#post151173
https://www.homemadetools.net/forum/...846#post186808
https://www.homemadetools.net/forum/...728#post155816
