SCP 173, Origin is as of yet unknown. It is constructed fro…

Origin is as of yet unknown. It is constructed from concrete and rebar with traces of Krylon brand spray paint. SCP-173 is animate and extremely hostile. The object cannot move while within a direct line of sight. Line of sight must not be broken at any time with SCP-173. Personnel assigned to enter container are instructed to alert one another before blinking. Object is reported to attack by snapping the neck at the base of the skull, or by strangulation. In the event of an attack, personnel are to observe Class 4 hazardous object containment procedures. Personnel report sounds of scraping stone originating from within the container when no one is present inside. This is considered normal, and any change in this behaviour should be reported to the acting HMCL supervisor on duty.

SCP-173, SCP: Roleplay Wiki

Scp-173 by PotatoRevenant on DeviantArt

Regarding SCP-173 : r/SCP

SCP 173 HQ Photographic Print by Raildur

SCP-173 (Unity) SCP Foundation Amino

SCP-173 Informative Poster [actually informative this time] : r/SCP

SCP-173, --=SCP: anomaly breach=-- Wiki

Hello! I created this SCP diorama complete with a confidential document! - SCP-173 model created by me using blender & 3D printed, then painted using acrylic paint. Diorama also created by me

SCP-173's Sad END!, skull, spray painting

SCP-173 - SCP Foundation

Depiction of scp-173