Birth Ball Plug
This is a standard plug that fits the majority of inflatable gym balls, including Reebok, Gymnic(all types), Birth-ease, Fitball, Tesco, and many more
6cm long. Fits hole approx 5/6mm diameter (starting at approx 14/15mm and graduating down to 5/6mm)
Customers have told us that the plug fits the following balls:
Pro Fitness, Tunturi, Gymnic plus, Fitball, Theraband Gym Ball, Lonsdale, Sainsburys Gym Ball, Pro Sport, Birth-ease, Everlast Pilates Ball.
With regards to Reebok - a few customers have said it was fine for theirs, one customer has said it was not.... Does not fit Fitness Mad. This is not a full list of compatible balls just the ones we know about.