200mm (8") diameter x 32mm (1.25") wide Grinding Wheel with 32mm bore.
Suits 200mm 8" Heavy Duty Bench Grinders.
 
Aluminium Oxide abrasive material in 36G (Coarse) or 60G (Medium)
 
For general grinding and tool sharpening of ferrous metals and alloy steels.
 
Note - Seriously consider upgrading your old technology Bench Grinder with stones to a Multitool Belt Grinder that will grind cooler and faster PLUS has a large array of abrasive options.