Refuse Disposable! High Capacity 12g 16g CO2 Tank Refillable Cartridgeer Threaded Capsule Rechargeable Cartridge Gas Cylinder Pump Bicycle Pump High Pressure Pump Features:Aluminum alloy Made of high quality aluminum alloy material, hard, wear resistant and durable, owning long using life span. Portable size Only 10.8*4.6*3cm/ 4.24*1.81*1.18inch(L*W*H), compact and lightweight, convenient to carry out, not occupying much storage space. Easy operation On button to inflate, easy to operate, convenient and quick to finish the pumping process. Sponge sleeve The sponge sleeve can effectively prevent the finger frostbite problem, comfortable to hold. Scope of application Universal for American nozzle and French nozzle, no need to change the connection nozzle, twist the install the inflator on the bike nozzle. Almost sufficing one bike tire inflating need. Specification: Type: co2 inflator Quantity: 1 set Material: aluminum alloy + sponge Color: black and red/ black and blue Button: pressing button Recommend pressure: Road bike- 120psi Mountain bike- 60psi Size: 10.8*4.6*3cm/ 4.24*1.81*1.18inch(L*W*H) Net weight: 40g/ 1.41oz - Product name:Rechargeable 16/12 gram co2 cartridge - Thread:3/8-24UNF - Filling gas:CO2/H2 Soda ect.. - Made of stainless steel - Mini Convenient/High quality and durable - Detachable design:It is convenient for disassembly and washing.Not rust - Serviceable range:Beer machines/Soda/Bicycle wheels/Basketball and so on ****Unthreaded cylinder are commonly used in pneumatic toys such as Airsoft ****Threaded cylinders are commonly used to inflate bicycles, basketballs, air MATS, swimming suits,beer machinesetc,Its adapters (connectors) must have threads