RIOs InTouch S6 Replacement Sink Tip is compatible with both VersiTip and Skagit lines. ConnectCore ultralow-stretch core improves sensitivity, ensuring enhanced strike detection and quick hooksets. Each features a rear color-coded loop and is printed with the tip size. Sinks straight, not in a curve, thanks to Density Compensation. Simply attach the printed end to your fly line. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Tips.