HEAVY DUTY, AMERICAN MADE, CAST IRON FLY WHEEL, 12 INCH, SINGLE GROOVE TO ACCOMODATE STANDARD V BELT. THIS FLY WHEEL CANNOT BE PURCHASED SEPARATELY AND IS MACHINED TO FIT ONLY RETSEL HAND MILLS. THIS QUALITY MACHINED, POWDERCOATED AND COMPUTER BALANCED FLYWHEEL IS MADE EXCLUSIVELY IN OUR FACTORY. THIS FLYWHEEL HAS A 5 INCH LONG EXTENTION BAR ( ALSO KNOWN AS POWER BAR) ATTACHED TO IT, THUS GIVING YOU EVEN MORE TURNING POWER. IT HAS A LONG BLACK PHENOLIC HANDLE GRIP (BOLT, NUT AND WASHERS INCLUDED). APPRIXIMATELY 20% LESS TORQUE IS REQURED WHEN THE USER ATTACHES THE FLY WHEEL TO THEIR MILL. THE BLACK HANDLE GRIP ON THE FLY WHEEL MUST BE REMOVED PRIOR OF MOTORIZATION. THIS FLYWHEEL CAN BE USED SEPARATELY OR WITH CONJUNCTION OF A MOTORIZING KIT. IF YOU PURCHASE THIS FLYWHEEL TOGETHER WITH THE MILL IN YOUR INITIAL ORDER, THE MANUAL HANDLE WILL NOT BE SHIPPED WITH THE MILL. INSTRUCTIONS INCLUDED.