6 Standard Red Coins: Double-Sided solid red aluminium coins matching the red side of the gaffs. 1 Standard Black Coin: Double-Sided solid black brass coin matching the black side of the gaffs. Perfect Single-Coin Thickness: The 6 dual-sided gaffs are milled down and seamlessly bonded so they maintain the exact weight, thickness, and profile of a single coin—no hollow sounds or awkward bulk.