Arrowhead Forensics Gun Shot Residue Kit - 4 Stub SEM - Plastic Case Leatherman Multi tool Note that acoustic feedback may

Note that acoustic feedback may occur if the VPU is placed too close to your gas mask microphone

STRAP HEAD:  STEEL LOCKING HEAD

This is a device that blows continuous filtered air into your gas mask through positive pressure and lowers breathing resistance

These marking flags are ideal for marking evidence in areas where the crime scene technician could easily overlook or disrupt evidence

off when you don't

Arrowhead Forensics Gun Shot Residue Kit - 4 Stub SEM - Plastic Case Leatherman Multi tool Note that acoustic feedback maySEM (Scanning Electron Microscopy) tests are conducted through analysis of the residues which have been collected on sticky metal stubs. These kits come in a 4 stub application and includes instructions, information sheet, gloves, security seals and a plastic box. Box dimensions 5" W x 3" H x 1. 5" D. GSR Collection Kit Contents: 2 or 4 Carbon Disks (SEM) 1 Pair Protective Gloves Security Seal Plastic Case Information Sheet Instructions