Syringe measuring range: 20ml, stainless steel gavage tubes are not for injection. For Breeding Use Only Ideal for hand feeding sick chicks or birds and for emergency treatment. Easy to use. Sustainable use. Easy to disassemble and clean. Curved stainless steel reusable gavage tubes can be sterilized for feeding young or unhealthy puppies, kittens and other baby animals. Syringe calibrations are large and easy to read. Precision becomes transparent. The curved stainless steel hoses are large and long enough for most applications. Package included: 1 pcs 20ml, 1 pcs 8G, 1 pcs 10G, 1 pcs 12G, 1 pcs 14G, 1 pcs 16G, 1pcs 18G curved tubes, all in one pouch. yringe Material: Plastic + stainless steel Feeding tubes material: stainless steel Syringe capacity: 20ml or 50ml Gavage tube size: (6 models) 18G: (tube length: about 50mm + 20mm / head diameter: about 3mm), curved, for waxbills and other small birds 16 G: (tube length: approx. 55mm + 25mm / head diameter: approx. 4.5mm), curved, for