200 metre spool 25lb B/S 11.4kg Tough, durable, limp Ultra smooth, non-stretch Rapid sink Transmits sharp, well defined signals back from the lead. Helps to read changes in the make up of the bottom and identify contours & features. Specific Gravity (SG) of 1.2 makes Sonar Marker Braid sink rapidly and eliminates problems associated with slower sinking braids at long range.