This is an 80mm VIGEX ring slogging spanner (also known as a striking or hammer wrench). It is designed for heavy-duty industrial applications to loosen or tighten large and stubborn nuts and bolts.
Key features include:
Size: 80mm spanner size.
Material: Typically forged from chrome-vanadium (Cr-V) or chromium-molybdenum steel for durability.
Function: Used by striking the striking face with a hammer to generate high impact force.