3+1+1 PCS Strimmer Spool,Strimmer Spool,Replacement Line,Replacement Spool Caps,ompatible with Black Decker Replace AF 100 ST5530 GB GLC3630L20 STC1820PC BESTA530 BESTA525

【BROAD COMPATIBILITY】Fits Black+Decker models including GL280, GL301, GLC13, GLC2500, GLC3000, GLC3630L, GLC425, GL430, GL530, GL540, GL544, GL545, GL555, GL560, GL570, GL580, GL4525, GL5028, GLC1423L, GLC1825L, GLC1825N, AF-100, ST5530-GB, GLC3630L20-GB, STC1820PC-GB, BESTA530-GB, and BESTA525-GB. Please verify your trimmer model before purchase. 【AUTOFEED SYSTEM】Each spool is precision-wound for smooth autofeed action, using centrifugal force to advance the line automatically as you trim. No bumping, no stopping, no manual adjustment required – just consistent cutting performance. 【HIGH EFFICIENCY】Engineered to reduce drag for smoother, faster cutting. The optimized line feed helps you complete trimming tasks more quickly with less resistance, delivering a clean, neat finish to your lawn edges and borders. 【EASY INSTALLATION】Simple snap-on design requires no tools. Just remove the old spool, drop in the new replacement strimmer spool, and secure the cap – getting you back to work in seconds with minimal downtime. 【COMPLETE 5-PIECE SET】Includes 3 pre-wound replacement strimmer spools, 1 durable spool cap, and 1 sturdy spring – everything you need for a full trimmer head maintenance refresh in one convenient pack.