THIS KIT INCLUDES ONE LAWN MOWER DECK BELT AND THREE BLADES. THE BELT REPLACES PART NUMBERS 1-643052, 643052, 1643052SL, 10041, 265-138, B1EX30, 7-078076, AND 75-967. ENGINE TO DECK WIDTH: 5/8" LENGTH: 169". THE BLADES REPLACE PART NUMBERS 48112, 48113, 481709, 482882, 6026, 7-04955, 340-129, B1SB6026, 047685, 08898800, 08983800, 08983851, 09290500, 09290600, 8898800, 89838, 8983851, 91-627, 50-3435, 038-7220-00, 105476, 105-7784, 105-7784-03, 108-1120 AND 110-0622-03. REQUIRES THREE BLADES FOR A 72" DECK. LENGTH 24 1/2" CENTER TO CENTER 5/8" WIDTH 2 1/2" THICKNESS.