Predator Blade - 542mm/21-3/8" John Deere - 2 for 42" SKU: JMPD5016 Please log in to see price or purchase this item Details(2) Blades for 38” cut.DetailsLength 21-3/8” (542.92mm); Centre Hole Dia. 7 lobe; Width 2-1/2” (63.5mm); Steel Thickness .197DetailsMurray 56251E701, 456251