Pelzer Landing Net

I have a 'Pelzer Collection 42"+ landing net' which I bought about 4 years ago.
It is a superb net however The Spreader Block is broken (not the same quality as the rest of the net).
I thought I would buy a replacement block but the net arms were just a bit too thick for the normal 42" spreader blocks (about 1-2 mm to thick).
I cant find a site that is in English who sell Pelzer nets.
Can someone give me an address where I can buy Spreader blocks that have a sightly larger diameter for slightly thicker net arms. (or Pelzer landing nets)?
Its a shame to put the net in the loft or cut the arms shorter so they fit normal spreader blocks as it really is a good landing net for Carp/Catfish.
Please Help me :{