Replacement OEM blades for International 6' & 7' rotary cutters, models IM600, IM602, IM602-75, IM700H, IM702. This listing is for one set of replacement blades, 31-1/2" long, 4" wide and 1/2" thick, cut counter clockwise and have a 1-1/2" blade bolt hole.They have a 2" offset, have high lift suction cutting edge These are the 4" wide HD version of the IM6 blade and can be used on all models including those that came with 3" blades from the factory