Big steel lance
It can be used for two different functions.
One end serves as a scraper in modeling, grouting, etc.
The other end can serve as a burnisher to press and make certain glues adhere better or to polish certain surfaces.
It is a hand sharpened high carbon steel tool.
The particular heat treatment ensures an always sharp edge and constant hardness.
The enlarged handle allows a secure grip for better control of the tool while the glossy finish allows better use of chemicals and better cleaning at the end of the job.