A complete set of used Schaublin W20 collets 39 Pieces 

1-20mm  (0.5mm ascending) 
39 pieces 
ø20mm shaft 
Thread Ø19.7 x 1.667 pitch 45º/5º buttress form 
Also used on Aciera F3, F4, Agathon 175A, Habegger JH 102, Schaublin 102

A lot off these collets are unused and still in original grease

Weight 4,2Kg