Example of slow speed rotary stainless steel instruments:
Rotary Endodontic instrument used with a Handpiece 
They can be further subdivided into:

Slow-speed rotary stainless steel instruments  eg. Gates gliden drill, peeso reamer
Nickel-titanium rotary instrument.

Textbook of Endodontics Nisha GARG 3rd ED
GG drill and Peeso reamer
Nickel-titanium rotary instruments
Reciprocating handpiece
Vertical stroke handpiece