Eyoloty 2 Pack AF-100 Polycarbonate Replacement Head Blades Compatible with Black Decker GH912 GH900 GH600 GH400 GH500 String Trimmers,with 12 Pack Flexible Replacement Blades, Screw Parts (21 Pack)

• 【Compatible Models】AF-100 polycarbonate blades trimmer head compatible with black decker string trimmer: GH900, GH600, LSTE525, LST300, BESTA510, LCC340C, LST522, ST8600, ST7700, ST7000, ST6600, NST2118, NST2018, NST1118, MTE912, MTC220, LSTE525BT, LSTE523, LST420, LST400, LST220, LST201, LST140C, LST136W, LST136B, LST136, LCC222, LCC221, LCC140, GH912, GH610, GH500, GH400, CST2000, CST1200, CST1000, BESTE620, BESTA512. 【New Upgrade】12 Pack replacement blades are made of polycarbonate material for extra sharpness.Serrated Edges are ideal for thicker grasses that your strings may not be able to handle. 【Easy Installation】The upgraded version of the replacement blade reduces the cumbersome installation process and is easy to install.Trimmer Head fixed dual blades don't worry about getting stuck during installation. 【Efficient Cutting】Use centrifugal force and aerodynamics to reduce resistance and realize rapid cutting. High-quality materials make you safer and has good abrasion resistance,to ensure it can serve you for a long time. 【Package Includes】Polycarbonate replacement head * 2，replacement blades * 12 pack，Screw * 6 pack，Wrench * 1.If you have any installation or model problems, you can contact us, we will give you a satisfactory answer within 24 hours.