Simcro Premium Purple 6ml Variable Dose Bottle Mounted InjectorSKU : 850 0000-198Dosage0.5ml incrementsSpeciesCattle, Sheep, SwineKit Includes 1 x 6 ml Injector 20mm Collar with cover Key Features V Grip with the Premium Series provides operator comfort 0.5ml - 6ml dosage in 0.5ml increments