US$ 38.45
Contrasting hazardous residues
WriteBar™ and ID window
Forged aluminum frame restraints that set a new standard in strength
Head Diameter 86 mm
Arrowhead Forensics Hexagon Obti Human Blood Test Fixed Knives Contrasting hazardous residuesThis is a two part test, a collection tube for the blood sample, and a test bar. A sample of the presumed human blood trace is transferred into the tube with transport medium. This mixture is added drop by drop to the test. A positive sample is typically detected within 2 5 minutes. Rapid screening test for the verification of human blood. Test provides a positive or negative result for human blood within 2 minutes. A single red line means the testing
US$ 38.45
US$ 23.40
US$ 51.32
US$ 36.00