【Compatible Models】Replacement blades head models:DF-065,DF-065-BKP.Compatible with black decker models: GH710 GH700 GH750 string trimmers. 【Two Options】4 Pack 36ft 0.065" spool line made of high quality nylon material with good flexibility,10 Pack replacement blades are made of polycarbonate material for extra sharpness.You have two options, to meet different work scenarios,greatly improving work efficiency. 【Easy Installation】DF-065 spool line supports AFS automatic feed system.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】DF-065 spool * 4 pack，polycarbonate head * 1，replacement blades * 10 pack，Screw * 4 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. Eyoloty DF-065 Replacement Trimmer Spool and Head Blades Compatible with Black Decker GH710 GH700 GH750 String Trimmers,DF-065-BKP Replacement Blades Head with Pre-Wound 0.065" 36Ft Auto-Feed Line(24 Pack) 【Compatible Models】Replacement blades head models:DF-065,DF-065-BKP.Compatible with black decker models: GH710 GH700 GH750 string trimmers. 【Two Options】4 Pack 36ft 0.065" spool line made of high quality nylon material with good flexibility,10 Pack replacement blades are made of polycarbonate material for extra sharpness.You have two options, to meet different work scenarios,greatly improving work efficiency. 【Easy Installation】DF-065 spool line supports AFS automatic feed system.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】DF-065 spool * 4 pack，polycarbonate head * 1，replacement blades * 10 pack，Screw * 4 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.