THIS KIT INCLUDES TWO BLADES AND TWO SPINDLES. THE SPINDLES REPLACE OEM PARTS NUMBERS 1001200MA AND 1001046, 1001200, AND 1001200MA. THE BLADES REPLACE OEM PART NUMBERS 056251E701MA, 092544E701, 092544E701MA, 095103E701, 095103E701MA, 095103E701WMA, 2029, 456251, 456251MA, 5543MA, 56251E701, 56251E701MA, 92544E701, 92544E701MA, 95103-853, 95103E701, 95103E701MA, AND 951103E701. FITS MOST MURRAY 38", 40" AND 42" RIDING LAWN MOWERS, 2001 AND NEWER. ALSO FITS SCOTTS 42" LAWN TRACTOR AND STANLEY 42" LAWN TRACTOR.