Hosoi Skateboards O.G. HammerheadCheckerboard Deck This is the legendary shape that changed the way decks were made! This Classic Shape is the same as the originalHammerhead Christian designed in the early 80’s with a flat nose & no concave. Colorway release 2019. Construction: 7 Ply Hard Rock Maple Width: 10.5″ Length: 31″ Wheel base: 16″