Mini Ball Pressure Gauge Accurate Barometer Tool Measurement Tools for Basketball Football Volleyball Air Pressure Gauge Barometer Tool mini universal Features: The dial-reads and Bar. Measure air pressure quickly and accurately. Allow air release without removing the pressure gauge. With a bleed-valve, can easily adjust the pressure of the overinflated ball. Qualifiers for soccer, volleyball, basketball, soccer and all other inflatables. Specifications: Material: Metal Size: About. 4.6x7.2x10cm/1.81x2.83x3.94in Package Includes: 1x Air Pressure Gauge Note: Only ball-valve pressure gauge kit, not including other accessories in the picture demonstration. Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.