Product Description：
Increase your gardening efficiency and get the perfect lawn edge with our reliable and easy-to-use trimmer wire spools. Perfect for occasional gardeners and landscape professionals, our products offer durability, compatibility, and unmatched performance.
Features：
1. Experience seamless assembly with our carefully designed spool covers. Simply insert the spring into the cover and twist to secure. This ensures effortless installation, allowing you to focus on your gardening tasks without delays.
2. Our spools feature an advanced auto-feed function driven by centrifugal force. This technology ensures that the trimmer line automatically extends when needed, optimizing performance. Turn the gear setting of your trimmer up for best results.
3. Say goodbye to manual winding that can result in uneven trimming surfaces. Each spool comes pre-assembled and ready to use, guaranteeing a smooth gardening experience and extending the life of your weed trimmer.
4. Our spools are compatible with a wide range of Black and Decker models, including GH400, GH500, GH600, GH900, ST6600, ST7700, CST1000, NST2118, LST300, and more, ensuring versatility and easy replacement.
5. Our spools are made of premium ABS and nylon materials for flexibility, elasticity, and durability. 0.065″ polyamide nylon trimmer wire withstands tough conditions, providing reliable cutting performance on stubborn weeds and grass.
6. Each package includes 6 trimmer wire spools, 1 spool cover, and 1 spring, providing excellent value and ensuring you have everything you need for continuous trimming.
Specifications：
Lid diameter: φ86*34mm
Net weight: 23g
Lid color: orange
Lid material: ABS
Spring diameter: p23*36mm
Spring net weight: 6g
Spring material: carbon steel
Grass rope length: 9.144M
Grass rope diameter: φ1.65mm
Grass rope color: transparent
Grass rope material: nylon
Coil diameter: 64*28mm
Coil net weight: 43g
Coil color: black
Coil material: A BS
Compatible models:GH400,GH500,GH600,GH900,GH912,ST6600,ST7000,
ST7700,CST1000,CST1200,CST2000,MTC220,MTE912,NST2018,
NST1118,NST2118,LST220,LST300,LST400,LST420,LST136