MaxPower's 332900 includes 1 pre-wound replacement trimmer line spool for use with Black & Decker trimmers. This spool is designed as a direct replacement for Black and Decker AF-100. Includes 31 ft. of 0.06 in. diameter trimmer line. All Maxpower products are proudly manufactured with peak performance and reliability in mind. MaxPower Trimmer Spool Plastic String Trimmer Replacement Spool | 332900