This is for the sale of Showdown transducer mounts. Marcum gave it a 2 thumbs up on their Facebook page, stating that it appears to be a fine crafted after market part.
It is made from T6 6061 aluminum, the best for strength and temperature change. It is powder coated in a high gloss finish. The hardware is a high-grade plastic nut & bolt rated for temperatures below minus 20 F.
Even eminent chartered accountants are known, in their capacity as fishermen, blissfully to ignore differences between seven and ten inches, half a pound and two pounds, three fish and a dozen fish. ~ William Sherwood Fox, Silken Lines and Silver Hooks, 1954