Features: *brand new and high quality. *Made of high quality material, durable and practical to use. *Delicate and exquisite, highly match the original equipment. *Auto Feed System replacement spool eliminates time spent hand-winding string trimmers. *Cap protects your line and keep it in place on your string trimmer. *Solid and durable, long service life. *Easy to install and reliable to use. Specifications: *Fitment: ForBlack & Decker grass trimmer models: GL280, GL301, GL425, GL430, GL545, GL555, GLC13, GLC2500, GLC2500L, GLC3000, GL4525, GL4525SB, GL5028, GL5028, GL500 28SB, G. LC1423L, GLC1825N, GLC1823L, GLC1825L, GLC3630L, ST5530, ST4525, STC1820, STC1815, STC1820PC/EPC, STC1840/EPC, ST1823 *Color:As Pictures Show Package Contents: 4 * AF100 thread spool 1*cap 1*feathers. Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.