GRAZZ Agro JUMBO HD BLADES ARE NO.1 QUALITY BORON STEEL ROTAVATOR BLADES OF 8MM THICKNESS. MADE OF PREMIUM QUALITY SPECIAL GRADE BORON STEEL. EXTRA HEAVY DUTY ROTAVATOR BLADES. MINIMUM LOAD ON TRACTOR AND ROTAVATOR. UNIFORM SHARPENING . CAN BE USED UPTO THE END. PREMIUM QUALITY BLADES AT AFFORDABLE PRICE. SAVES FUEL AND MONEY. AVAILABLE IN L- TYPE / C-TYPE OF 14.5X46 , 14.5X57MM