Feature:1. The mini nitrogen regulator can make the coffee taste more mellow and rich.2. High‑quality aluminum alloy material, safe, durable, and corrosion‑resistant.3. Easy to install, widely suitable for home‑made beer, coffee, soda drinks.4. Coffee making tool, with gas ball lock, suitable for use with 8g nitrogen bottle.5. Easy to clean, compact and portable, suitable for camping, hiking, picnic, barbecue, party.Specification:Item Type: Nitrogen ChargerMaterial: Aluminum AlloyPressure: 030 PSIModel: Suitable for nonthreaded nitrogen tank (8g)Uses: Camping, hiking, picnic, barbecue, party or other outdoor activitiesWeight: Approx. 239g / 8.4oz Package List:1 x Nitrogen Charger1 x Gas Ball Lock1 x ScrewNote:1. Package do not include nitrogen cartridge/ small nitrogen cylinder.2. Professional brewing equipment, if you don’t understand, please find a professional to install it.