• 3.105″ outside dia.
• 0.8750″ inside dia.
• 0.2495″ hub thickness
• 61-63 Rc hardness
• Available in chrome vanadium steel or semi-high speed steel (for higher wear resistance)
• Equivalent to
  – Alcon #306
  – Dusenbery #229003

Package Qty	12
Weight (lbs)	0.260
Weight (kg)	0.118