• Wrench Hole Diameter: Approx 3 cm / 1.2 inch
• Size (L x W): Approx 16.5 * 4 cm / 6.5 * 1.57 inch
• Air Valve Top Diameter: Approx 6.5 cm / 2.55 inch
• Air Valve Bottom Diameter: Approx 4.2 cm / 1.7 inch
• Air Valve Height: Approx 5 cm / 1.9 inch