Burnerd Old Type 11" 12"

Set of Hard Master Jaws and Hard Reversible Bolt on Jaws for Burnerd Old   Type Chucks. . 
  That's pre Pratt & Burnerd, Burnerd Chucks. Very Old.
  11" & 12"   3 Jaw Scroll Chucks - But please double check with dimension in picture #2
  From a Model 54 Burnerd Chuck.
  Original Set with Matching Serial Numbers.