A worldwide best seller for decades if treating large numbers accurately, it is worth the extra. Reliable and robust, with internal High-flow, blockage resistant valves delivering thick drench easily. Easy to use dose adjustment system with lockable nut. Dual barb allows 9mm (3/8") or 6mm (1/4") feed tubes. Calibration: 1ml - 20ml dosage in 1ml increments Kit includes: * 1 x oral drencher * 1 x feed tube * 2 x feed tube springs * 1 x lubricant bottle * 1 x feed tube adaptor kit * 1 x Major Service Kit Species: Sheep, Cattle