A durable CO2 dispenser constructed from CNC-machined aluminum, the Trigger Drive CO2 features trigger valve operation for easy inflation and a Twin Chuck head which threads onto both Presta and Schrader valves. A neoprene sleeve insulates your hand from the cold during discharge. Available with or without a 16g cartridge. Compatible with threaded CO2 cartridges. Blue color not available in the United States. SPECS COLORS: WEIGHT: 26g MANUALS: Threaded Drive (PDF) AVAILABLE ACCESSORIES 16g CO2 Cartridge 20g CO2 Cartridge 25g CO2 Cartridge