Innovations Air Chuck Sl with 16g Uses Genuine innovations push to inflate CO2 flow control technology Push on for Presta or Schrader valves Designed for the minimalist, performance 25.60 x 17.41 x 37.45-Millimeter, 1 x 0.685 x 1.47-Inch, 0.755-Ounces, 21.40-Grams