THIS IS A NEW LAWN MOWER DECK REPLACEMENT KIT IT INCLUDES: TWO SPINDLES, TWO SPINDLE PULLEYS, TWO IDLER PULLEYS, TWO BLADES AND A BELT. THE SPINDLES REPLACE PART NUMBERS: 187292, 192870, 11590, 532187290, 532192870, 532187292, 539-112057, 587820301, 285-585, 82-026 AND B1RS47. HARDWARE INCLUDED. THE SPINDLE PULLEYS REPLACE: 197473, 12378, 195945, 532195945, 78-062 AND 275-585. 1- IDLER PULLEY REPLACES: 196106, 13175, 532196106, 197379, 21546440 AND 34-901, 1- IDLER PULLEY REPLACES PART NUMBERS 177968, 532177968, 11634, 193197, 532193197, 280-240 AND B1AY47. THE BLADES ARE 21" MULCHING TOOTHED BLADES AND REPLACE: 134149, 6189, 7-04797, 340-066, B1SB6189, B1EHP1011, 596-900, 532134149 AND 594892701. BELT REPLACES: 197253, 11867, 265-214, 429636 AND 532197253. WIDTH: 1/2" LENGTH: 101 OD.