This is a 9mm Sterling C-IV, Rappel system.
The system will include
35' or 40' of Sterling C-IV
Matching length of 7/64 amsteel gear pull/ retrieve rope with double eyes
Two Black Diamond HotForge Screw Gate Carabiners
Sterling HollowBlock2
One Oval 8mm Steel Quick Link
One Black Diamond Super 8 Belay Device