1. [Type] Universal for American and French spouts, no conversion required, control: rotary switch. 2. [Applicable] Has teeth or Toothless 16g Gas Cylinders (bottle mouth diameter is about 9mm, bottle height is about 88.5mm), The Has teeth Gas cylinder Screw thread of 3/8. 3. [Accessories] Ball gas needle, Vehicle mounting bracket (Can be mounted on a water bottle cage). 4. [Features] Universal for American and French spouts, universal for gas cylinders with or without thread; delicate workmanship, , small and light, easy to carry. 5. [Note] The gas cylinder should be used up at one time, and the unused gas cylinder should not be on the for a long time. (Without gas cylinder) Product name: Bikes Tire-inflator Size:about 123x56mm, outer diameter of the tank is about 25mm Colour:Black & Red Material:Aluminum Alloy Package Contents: 1set * Bikes Tire-inflator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.