Double nut design prevents falling off and effectively fixes the needle to avoid falling off the needle during use.
It helps calves to breathe and stand up in time, and reduces calf mortality.
Ergonomic star‑shaped handle design is comfortable to hold and flexible in pulling and pressing.
Lubricated piston is to low temperature use, and comes with lubricating oil to ensure standard gas and ensure normal use in low temperature environments.
Stainless steel tube core is more , and the stainless steel inner core extends the service life.