Trim Portable Manicure System, $8
I had something similar to this cheap, battery-operated electric file years ago. The motor ultimately burned out, and I hadn’t seen a replacement until I came across the Trim Portable Manicure System while out and about.. Admittedly, I didn’t give the tool much scrutiny in the store when I picked it up. For under $8 and running on non-included AA batteries, my expectations were low.
Upon unboxing the tool I confirmed that its construction matched its price-point. The body is made of cheap, lightweight plastic. The handle is long (read: awkward to handle), and it doesn’t seem as though the bits have a locking mechanism to hold them in place. The battery compartment was easily accessible, but there aren’t any markers to indicate which way to insert them. I determined that negative should face the bottom of the compartment, positive towards the top.
No dial, switch, or series of buttons means no variable speed control. This little guy is a one-speed.