W.A.O. (2) Noma Dynamark Blades Replaces 30544-0637/306932/58190 19 & 5/8&rdquo; for 39&rdquo; cut (6025) 3/8&rdquo; Center hole 2 & 1/8&rdquo; wide .134&rdquo; thick Replaces: AMF/DYNAMARK/NOMA 306932 Fits Models: AMF/DYNAMARK/NOMA 2 for 39", 2 for 39" Fits Models: MURRAY 2 for 39" Package Quantity: 2