Tailbone

Based on the original classic 8" Form 3 #8 machine screw guide. Does not include ratchet nuts. The drilled holes in the tailbone are designed as pilot holes, just large enough for the screw to be inserted, but small enough to ensure a good grip on the thread. The user-drilled holes in the deck are designed as through holes. They are large enough for the screw to fit easily into the hole, and the head sits nicely against the surface of the deck when tightened. It is important that these user-drilled through holes in the deck are the correct size.