Even small people put significantly more than 200 lbs of force on the suspension. You could try them, but the real descender rings aren't much more expensive and will for sure keep you off the ground. It's worth giving them a shot I guess.
"Get busy living, or get busy dying."
Warbonnet Blackbird 1.0 DL
Warbonnet Edge Tarp
North Face Cat's Meow 20°
Custom HammockGear.com Phoenix Underquilt