ALLFLEX Colored Piston Rod Knobs - Compatible with Allflex Repeater Syringes for Vaccination | Easy-Grip Design for Livestock Vaccination & Medical Use

Color code your injection system with interchangeable colored knobs. Dedicate a particular colored knob to a selected vaccine or antibiotic compound to insure proper administration and avoid mistakes. Available as a 3 ct pkg; 1 red, 1 blue, and 1 yellow. Use with the Allflex Repeater syringes.