Features: 1. It is used to vent the rumen of cattle, when cattle rumen bulge, the general first aid method, rumen piercing method 2. Made of premium stainless Steel, food grade, high quality, durable 3. Equipped with needle guard to avoid injury and convenient storage 4. Suitable for cattle, cow, sheep, goat, horse. 5. The suitable handle position, and portable structure design reduce the fatigue degree during your manipulation. Specification: Item Type: Needle Material: Stainless Steel Length: Approx. 20cm / 7.9in Weight: Approx. 80g / 2.82oz Package List: 1 x Needle Note: Use trocar to puncture and deflate in the rumen, and the deflating should be fast first and then slow, with intermittent deflating. Care should be taken not to overdo it in the process of venting, otherwise it may cause faint. 1、It is used to vent the rumen of cattle, when cattle rumen bulge, the general first aid method, rumen piercing method 2、Made of premium stainless Steel, food grade, high quality, durable 3、Equipped with needle guard to avoid injury and convenient storage 4、Suitable for cattle, cow, sheep, goat, horse. 5、The suitable handle position, and portable structure design reduce the fatigue degree during your manipulation.