Sirchie Gray Adhesive Photo Evidence Scales (roll of 50) chamber flag One end of the tube

One end of the tube contains a sealing material that will immobilize the syringe and prevent needle leakage

enable the user to adjust light intensity and function according to the situation

The second size is the size the stepping ring accepts

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Sirchie Gray Adhesive Photo Evidence Scales (roll of 50) chamber flag One end of the tubeThese scales are 2" (50mm) wide and are printed on flat, pressure sensitive label stock with a non permanent adhesive back. Use them on vertical or horizontal surfaces. Fingerprints, traces of blood and bullet holes are easily measured for photographic purposes. Sold in rolls of 50 each.