Rotary 9170 Blade Quality Made In US Rotary Brand Blade, Heavy Duty made with heat hardened high carbon steel. Price is for one blade, order a quantity of three for a set for the 46" decks. 15-9/16" Long, 2-1/4" Wide, .187" Thick, 5 point Star mounting hole Low lift, not for mulching or use with bagger, but is easier on belts, less drag. Used on Craftsman, Poulan, Husqvarna, Mowers that have the 46" decks using 3 blades.