From Slingshot

Includes two lines (20 or 27 meters) with 500lb or 800lb tested lines intended to replace lines on a Sentry bar. For reference, Slingshot installs 500lb outside lines and 800lb inside lines on its bars.

Compatible Products 2010 – 2015 Compstick bar, 2016-2019 Compstick w/Guardian & w/Sentinel, V1 and V1.1 Sentry.

Not Compatible with Sentry V2 or Joystick Bars.