Tri-Tech Forensics Tri-Tech-Forensics GSR-SEM 4 Stub Collection Kit, 10 Per Case

The GSR-SEM(C) is designed for law enforcement agencies whose crime laboratories use SEM (Scanning Electron Microscopy) as their method of GSR analysis and request "Right Back", "Left Back", "Right Palm" and "Left Palm" samples be collected from the suspect's hands.