Ball base Ø 33mm with permanet magnet

This ball base made of hard anodised aluminium features an integrated permanent magnet and is suitable for very fast and reliable mounting on all magnetic surfaces and our centring plates. Available for balls with Ø 30mm (silver base) or 1.5“/ Ø 38.1mm (blue base) and various holding forces for each version.  

The distance between the ball centre and the bottom of the base face is always 30.8 mm ± 0.1mm and - with the right combination of components - is irrespective of the selected base and prism.