Tiny but bombproof, the Object takes threaded CO2 cartridges and lets you control the gas flow with an easy to control twist knob Dark brown full grain leather CO2 holder included Presta and Schrader valve compatible Aluminum alloy construction 80g *CO2 Not Included* Threaded PV/SV Black Inflator and Sleeve onlyUPC/EAN/GTIN: 812938010224