Load it up and shoot it out, it is as simple as that!
The one shot launcher is designed for one-handed ease of use. With the convenient finger loops you can fill the launcher with whatever liquid you want and inject with one simple thrust. The one shot launcher has a cap to prevent the liquid from spilling until the time is right for application.
Measurements: 7.5 Inch overall length, 4.75 Inch insertable length, 0.64 Inches in diameter.