With the adapter plate from doppler, various pendulum umbrellas can be combined with the 140kg granite rolling base. Technical data. Adapter plate diameter 180mm. Made of stainless steel. Hole spacing: 10.5cm, 12cm, 13.5cm and 16cm. (no screws and other small parts included).Vsuitable for granite top 140kg (85897gpz). Suitable for all doppler/derby pendulum umbrellas