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These swabs are perfect for sample collection as crime scenes or medical examiner facilities
The protractor is also available in a kit
The 5-digit ratchet counter measures up to 100
The test set includes three individual tests
Gunshot Residue Kit (GSR), SEM Packaging|12 pack These swabs are perfect forFor Scanning Electron Microscope Analysis. The Scanning Electron Microscope (SEM) analysis kit consists of metal discs 4. 6cm (1 4 5") stub, 3. 8cm (1 1 2") face with an adhesive on them. The discs are dabbed on the hands and the adhesive picks up the gunshot residue particles. The metal discs are then sent to the laboratory. Visible stains do not appear on the hands. The resulting data is obtained only by laboratory examination. Kit contains