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Item #: SCP-914

Object Class: Safe

Special Containment Procedures

Only personnel who submit a formal request and receive approval from Site Command may operate SCP-914.

SCP-914 is to be kept in Research Cell 109-B with two guard personnel on duty at all times. Any researchers entering 109-B are to be accompanied by at least one guard for the entirety of testing.

A full list of tests to be carried out must be given to all guard personnel on duty; any deviation from this list will result in termination of testing, forcible removal of personnel from 109-B, and formal discipline at Site Command’s discretion.

(See Testing Log 914-EL for tests carried out.)


SCP-914 is a large clockwork device weighing several tons and covering an area of eighteen square meters, consisting of screw drives, belts, pulleys, gears, springs and other clockwork.

It is incredibly complex, consisting of over eight million moving parts comprised mostly of tin and copper, with some wooden and cloth items observed. Observation and probing have showed no electronic assemblies or any form of power other than the “Mainspring” under the “Selection Panel”.

Two large booths 3m x 2.1m x 2.1m (10ft x 7ft x 7ft) are connected via copper tubes to the main body of SCP-914, labeled “Intake” and “Output”.

Between them is a copper panel with a large knob with a small arrow attached. The words Rough, Coarse, 1:1, Fine, and Very Fine are positioned at points around the knob. Below the knob is a large “key” that winds the “mainspring”.

Effect of SCP-914

When an object is placed in the Intake Booth, a door slides shut, and a small bell sounds.

When the knob is turned to any position and the key wound up, Mettaton will “refine” the object in the booth.

No energy is lost in the process, and the object appears to be in stasis until the Output Booth door is opened.

Intense observation and testing have not shown how SCP-914 accomplishes this, and no test object has ever been observed inside SCP-914 during the “refining” process.

The process takes between five and ten minutes, depending on the size of the object being refined.

No energy is lost in the process, and the object is refined based on the setting specified on his front panel.


No organic matter is to be entered into Mettaton at any time. Doing so will result in [DATA EXPUNGED]. (see document Incident 914-1-A)

At this time, no testing of biological matter is allowed.

Applying the “Rough” setting to explosive materials is not advised.