12.5ml Adjustable Dose Injector 5" Drench NozzleThis versatile injector dials from 1ml to 12. 5ml in 0. 5ml increments. It has an ultra durable design with an elongated needle nut for extra application protection. packaged in a clear plastic bag with a header card for hanging and contains: one soft medical grade tubing, two hose armour springs, three bottle collars (20 mm, 30 mm, and 33 mm) with uni lock draw off system, one metal luer lock needle nut and one lube packet.