This small (6.8 mm inner hole diameter) pvc inflation valve is a typical size for most small beach balls and small pool toys. For more information on how to replace a PVC valve, visit our how-to video here: CandyCoatedSqueaks Youtube
Inner Hole: 6.8mm
Stem Tip: 12.7mm
Stem Base: 20mm
Stem Outer Ring: 30mm
Height (plugged & extended): 20mm
-Single bung-
*Note: Valve may vary slightly based on batch*