Af 100 replacement spool for black and decker weed eater spool is pre-wound with length of 30 feet and diameter of 0.065 inches of string trimmer line by the CNC machine cutting and winding,saving manual winding time.Easy to install and easy to use.Use centrifugal force and aerodynamics to reduce drag and achieve fast cutting. Af100 replacement spool compatible with black and decker trimmer spool , premium 30ft 0.065 inches trimmer line replacement spool for Black and Decker original spools models AF-100, AF-100-3ZP, AF 100, AF-100-2, AF-100-BKP, AF-100-BKP 1, AFS 100. Spool cap covers models:RC-100-P. Af-100 replacement spool compatible with Black and Decker weed eater models? GH400, GH500, GH600, GH610, GH900, GH912, LST120, LST136, LST140, LST201, LST220, LST300, LST400, LST420, LST522, LST1018, LSTE522, LSTE523, LSTE525, NST1018, NST1024, NST1118, NST1810, NST2018, NST2118, ST7000, ST7200, ST7700, ST7701, ST8600, ST9000?BESTA510, BESTA512, BEASE620, CST1000, CST1200, CST2000. Package Included: 16x replacement weed wacker string line spool 3x replacement spool cap covers 3x replacement spool spring