Tail Snipping Platform For isolating DNA from transgenic animals for genotyping. Simply pull mouse tail through the slot, measure and collect tip in the vial. Features Micro Tube Holder: Collect tail tip directly in the prelabeled tube, preventing DNA cross contamination. Measuring Ruler (mm): Accurately measure tail length for cutting. Enhances IACUC compliance. Cleaning Slot: Feces and urine are easily washed out with stream of water (minimizes cross contamination).