This is a Zbrush model.
The Hand Wrap has 2 subtools: Arm and HandWrap
The Arm subtool has 6 subdivisions.
The Handwrap subtool has 8 subdivisions.
The tools are exported on its lowest and highest subdivisions to OBJ.
In the lowest subdivision, the Arm is 186 polygons and the HandWrap is 274 polygons
In the highest subdivision, the Arm is 190464 polygons and the HandWrap is 1441792 polygons
The images are screenshots from Zbrush.