KING KUTTER’S BOX FRAME DISC HARROWS are constructed of heavy steel square tubing. It connects easily to any three-point hitch with category one specifications. The disc gang axles are made of 1″ square high carbon steel rods mounted on double thrust sealed steel bearings. These disc harrows have four angle adjustments of 16 degrees, 30 degrees, 44 degrees, and 57 degrees with an easy single bolt adjustment.