Brand New in Stock. Claus Grabke Exploding Clock Reissue Skateboard Deck 30″ x 10″ Blue. Santa Cruz Skateboards Claus Grabke Exploding Clock Reissue deck featuring spot graphic on full dip light blue deck and 50th Anniversary decktop laser etched logo. 7 ply North American Maple pressed individually using epoxy making a strong, responsive deck with long lasting pop and consistent concave and kick.