Usage Tips:8 Pack 1.65mm/0.065 Inch Nylon Strimmer Line for Black and Decker, Round Core Black and Decker Strimmer Wire, Autofeed Trimmer Strimmer Spool Suitable DiameterWith 1.65mm / 0.065 inch diameter, our black and strimmer line is perfect for trimming soft grass and weeds, as well as small projects around the weeding roads, walkways and your house. The flexible trimmer spool ensures fastand clean cutting during use. Universal SizeThe round core strimmer wire is compatible with several models of BLACK & DECKER string trimmers, including GH400, GH500, GH600, GH610, GH900, GH912, ST6600, ST7000, ST7700, CST1000, CST1200, CST2000, MTC220, MTE912, NST2018, NST1118, NST2118, LST220, LST300, LST400, LST420, LST136. Easy OperationWith the autofeed replacement strimmer spool, there is no need to manually wind string trimmers.Also, no need to worry about getting stuck or causing damage to the string trimmer during use, providing safe and efficient trimmer tool. Premium QualityMade of ABS spool and nylon thread, our black and decker trimmer wire is flexible and durable for long time use.The aerodynamic shape allows less drag for more efficient and fast cuts. PackageEach package includes 8pcs 1.65mm x 9m replacement autofeed trimmer spool, 1pcs replacement trimmer cap and 1pcs spring to meet your needs.