Simcro Premium Purple 5ml Variable Dose Tube Fed InjectorSKU : 850 0000-199Dosage0.5ml incrementsSpeciesCattle, Sheep & large animalsKit Includes 1 x 5 ml Injector 20mm vented Draw-off cap 4.7 x 750mm tube Key Features V Grip with the Premium Series provides operator comfort 0.5ml - 5ml dosage in 0.5ml increments