This blade measures 21-1/16 by 2-1/4 inches Star pattern center hole, diameter 5/8 inch Fits over 500 mower decks from craftsman, companion, western auto, Murray, roper, pro and AYP No assembly required
Restore your mower deck to like-new performance with this manufacturer-approved mulching blade for 42″ cut mower. This blade measures 21-1/16 by 2-1/4 inches, with a center-hole diameter of 5/8-inch, star pattern. Fits over 500 mower decks from craftsman, companion, western auto, Murray, roper, pro and AYP.