【Compatible with】Trimmer line knife cutter number:90559116,compatible with Black Decker cordless string trimmer/edger/weed wack GH900,GH912,LST300,LST400,LST420,LST522,LSTE520,LSTE523,LSTE525. 【High Quality Metal】The 90559116 string trimmer line cut-off blade is made of high-quality metal material, which is rust-free and durable. The sharp metal edge can easily cut the trimmer spool line, increase the cutting speed, reduce damage to the mower, and will not get stuck when mowing. 【Please Note】Since the edge of the 90559116 String Trimmer Line Cut-Off Blade Knife Cutter is sharp, please wear gloves when working to avoid being scratched by the product. 【Easy Installation】The product is equipped with the corresponding number of screws. You only need to use a tool screwdriver to easily complete the installation within one minute. 【Package Included】6 Pcs Black Decker String Trimmer Line Cut Off Blade, Screw accessories.Our sales purpose is committed to the satisfaction of each customer, if you have any questions please contact us promptly, we will answer you within 24 hours. Eyoloty 90559116 String Trimmer Line Cut-Off Blade Knife Cutter Compatible with Black Decker GH900,GH912,LST300,LST400,LST420,LST522,LSTE520,LSTE523,LSTE525 String Trimmer,Cut-Off Blade Part 6Pack 【Compatible with】Trimmer line knife cutter number:90559116,compatible with Black Decker cordless string trimmer/edger/weed wack GH900,GH912,LST300,LST400,LST420,LST522,LSTE520,LSTE523,LSTE525. 【High Quality Metal】The 90559116 string trimmer line cut-off blade is made of high-quality metal material, which is rust-free and durable. The sharp metal edge can easily cut the trimmer spool line, increase the cutting speed, reduce damage to the mower, and will not get stuck when mowing. 【Please Note】Since the edge of the 90559116 String Trimmer Line Cut-Off Blade Knife Cutter is sharp, please wear gloves when working to avoid being scratched by the product. 【Easy Installation】The product is equipped with the corresponding number of screws. You only need to use a tool screwdriver to easily complete the installation within one minute. 【Package Included】6 Pcs Black Decker String Trimmer Line Cut Off Blade, Screw accessories.Our sales purpose is committed to the satisfaction of each customer, if you have any questions please contact us promptly, we will answer you within 24 hours.