Cortland Precision SubSurface Quick Descent Type 8 ips Sink Tip Fly Line Engineered with mission-specific tapers and high-tech coatings 15' Type 8 Sinking Tip / Tip Sink Rate: 8 IPS | (90') Or 24' Type 8 Sinking Tip / Tip Sink Rate: 8 IPS | (90') Perfect choice for getting down deep  and fast Available with either 15-foot or 24-foot tips