1、Made of brass material, rustproof and durable to use. 2、Save your money from spending on the expensive for tank. 3、Compatible with any standard paintball tank for machine. 4、Including the L wrench key for adjusting the center pin if needed. 5、Scope of application: soda machine, bubble water machine, inflation conversion, etc. 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.