Features . 0.08 replacement trimmer spool. Contains 3 ft. of line fits black decker model - Gh1100 TV 649-154.. Dual-Line replacement spool eliminates time spent hand-winding string trimmers. 30 ft. replacement line is factory wound for a superior feed. Utilizes centrifugal force for maximum performance. Includes a 0.08 in. diameter line. Compatible with the Black and Decker GH400 GH500 ST6600 ST7000 CST1000 CST2000 and NST2018 string trimmers. Dimension - 5.75 x 4.88 x 1.33 in.. Item Weight - 0.2 lbs.