40mm x 1.5p 16mm Slot

Serrated Reversible Double Step Hard Top Jaws. 
 
  40mm Wide, 16mm Slot & M12 Bolting.
  1.5mm Pitch Serrations.
  Brand new including brand new tee nuts & M12 Cap Heads
 
  Primarily for use on Kitagawa Style 10" Power Chucks.
  New Old Stock