I bought collets for a SB-10Heavy. However, they turned out to be SB-3 collets for a SB-9.
That's why they are for sale.
Trading for a SB-10-Heavy drawbar to fit SB-2 collets is also an option.
In the meantime, I was able to buy SB-2 collets. I'm still looking for a drawbar for them.
greetings,
Ruud
(The Netherlands)
Ruud