Reddit reviews Reciprotools RCT-HRM-10 Half Round File Metal Use Accessory Attachment,Gray,Small
We found 1 Reddit comments about Reciprotools RCT-HRM-10 Half Round File Metal Use Accessory Attachment,Gray,Small. Here are the top ones, ranked by their Reddit score.
Hex design allows you to rotate the tool in the adapter.Sleek tapered designGo from hands on to power onWorks in conjunction with RCT-A10 Adapter
I haven't used this, but here's a file that you could put on a reciprocating saw. I expect you have a cordless sawzall you could use for this.
https://www.amazon.com/Reciprotools-RCT-HRM-10-Round-Accessory-Attachment/dp/B001CNE3SO