This is a Zbrush model. There are 4 subtools, hands and handwraps, right and left.
The Arms subtools have 6 subdivisions. The Handwrap subtools have 8 subdivisions.
The tools are exported on its lowest, medium and highest subdivisions to OBJ(Merged), gITF(2.0) and FBX (version 2020).
All images are screenshots from Zbrush.