305-524 Stens Blade Compatible with Noma 782975 Aladdin UAM2

305-524 Stens Blade Compatible with Noma 782975 Aladdin UAM2.  No original manufacturer’s packaging is available.  This blade has been in inventory for a while. There are scratches and slight rust on the blade. 18" blade when measured diagonally for the length.  Approximately 17-7/8" when length is measured straight.  .40 center hole.  Width is 2"