Includes 5 cylinders compatible with rice and French valves. Compatible with 0.6 oz (16 g) screws. Please open the valve of the tube before using. You can adjust the air flow rate by twisting the gas cylinder. Weight: Approx. 0.7 oz (20 g); Size: 1.2 x 1.2 x 0.6 inches (31 x 30 x 15 mm); Accessories: 5 sponges, CO2 cylinders.