Description★Classic, Durable, Compact and Lightweight design.BriskMore CO2 Inflator Set has one inflator head, 5 units 16g 3/8 sized threaded CO2 cartridges and insulate sleeve for 16g cartridges only. ★ Fits both Presta & Schrader valves. Washers seal threaded connection ensuring NO leakage. Inflator head designed for all threaded size UNF3/8 CO2 cartridges(12/16/20/25g). ★ Inflatore head made from strong and durable aluminium alloy and alloy steel. CNC precisely machined and heat-treated. Three additional spare washers included. Each cartridge is filled with 16 grams of the highest quality industry-grade CO2. Weighing only 2 ounces / 58 grams each. Made from recycled steel. Zinc coating prevents rust on the charger.Fits most standard 3/8″ threaded CO2 bike inflator heads. ★Inflator head has reliable and simple control valve for precise adjustment, easy to use. Inflates in seconds and gets you riding again quickly. Original Design,Patented Product. ★Satisfaction Guaranteed: Both customer satisfaction and product quality are very important to us. So if you encounter any problems, We can provide a full Refund or a Replacement and lifetime warranty!