GDS 120-LI 3/8" impact wrench
It is replaced by the GDS 12V-115 3/8" impact wrench.
The GDS 120-LI is an cordless impact wrench manufactured by Bosch as part of the Bosch Professional product line.
The GDS 120-LI has a 3/8" square drive. The machine is very similar to the GDR 120-LI which is an impact driver with a 1/4" hex bit holder with which it shares the user manual.
Availability
Beyond the reference in the user manual very little information about this impact wrench can be found online.