Features: Made of brass material, rustproof and durable to use. Save your money from spending on the expensive tank. Compatible with any standard paintball tank for machine. Including the L wrench key for adjusting the center pin if needed. Scope of application: soda machine, bubble water machine, inflation conversion, etc. Specification: Material: Brass Optional Color: Gold, Silver Weight: Approx. 127g Package list: 1 x Replace Adapter 1 x Wrench Note: 1.Pls allow 1-2mm error due to manual measurement. 2.The color may have a little different from the shows,pls understand. 1Made of brass material, rustproof and durable to use. 2Save your money from spending on the expensive for tank. 3Compatible with any standard paintball tank for machine. 4Including the L wrench key for adjusting the center pin if needed. 5Scope of application: soda machine, bubble water machine, inflation conversion, etc.