NPW 54" Mulching Kit FITS CUB CADET , TROY BILT 54" STAR CENTER BLADES TIL 2012 Mulching Plate METAL PLATE---NOT PLASTIC Bolts in the holes where the side discharge chutes bolts. Can be used on with or without fingerquard No Plastic ears that require discharge chute to hold in Includes 3 mulching blades(toughest blades on the market, 50 Rockwell hardness and fusion coated on the bottom side of cutting edge