These are action figure hands 1/12 scaled for 6" black series and Marvel Legends action figures. They come in two orientation as forward and bent.

They are all right hands. Mirror the models in your slicer to print left hands.Check out my page for other set of hands.

Note: Last picture is for reference, and printed using a FDM printer. Basically they also work with FDM printers but may need some trial/error depending on your setup.

the sizes are

S-small scale for female figures and some Luke figuresM- medium scale for figures with the same hand size as clone-stromtrooper and WinduL- scale for figures with the same hand size as Dooku-Malak