Sector 9 Faultline Skateboard Deck, White, 9.75 x 39.5-Inch The Faultline is a new 5/8" double drop mold based on the Tiffany drop The mold creates a concave that brings you slightly lower to the ground for balance while locking you in for controlled drifting around corners This is a great all around freeride board that can handle speed as well 9 ply maple double lock mold with full dipped color