The Caddiemaster golf umbrella holder has the following product features:
Fits most styles and shapes of trolley;
Universal locking mechanism to the frame (diameter 21mm)
Universal locking mechanism to the umbrella (diameter 40mm)
However does not fir the Caddiemaster 500.
Specifications
The specifications of the caddiemaster golf umbrella holder are:
21mm diameter for frame locking mechanism
40mm diameter for umbrella locking mechanism