I want to use mercedes hands for a custom build

the hands are for a eta 2801-2, hole size is 1.50, 0.90 , 0.25mm.
this hands are a lot on ebay but there are to short 8.5, 12, 12mm.
I need them with a length of 10, 14, 14mm (measure from hole middle to end)
any suggestions?
thanks for help