Boring Head Adjustable Bar Holder Criterion Mod 1 USA 5/8 shank with small bit

  
Boring Head Adjustable Bar Holder Criterion Mod 1 USA 5/8 shank. Over All Length 3", approx 1 3/4" x 1 3/4, Shank 5/8 - 3/4 lb. Very Nice, Clean, good working condition. See Photos & Full Description.