Convenient to use: Length 20 feet trimmer line provides a wider range of mowing area; The 0.08 inch diameter wearable line supports fast cutting and easily trims through grass and weeds. Specifications: Material: ABS,polyamide nylon thread, Size: approx.20 feet in length,0.08 inch in diameter Spool suitable for the Black and Decker GL9035-QS,GL7033,GL8033-QS,STC5433PC-QW,STC5433B-QW Cap suitable for 90583594 Package Includes: 4 * Replacement Spools 1 * Trimmer Cap OR 6 * Replacement Spools 2 * Trimmer Cap OR 8 * Replacement Spools 2 * Trimmer Cap Abs Spool Nylon Line: The edger replacement string spool line were made of premium quality raw material,ABS spool sturdy enough,nylon line string flexible,Not easy to break supports fast cutting and longer lifetime. Compatiblity: Spool compatible with Black and Decker GL9035-QS,GL7033,GL8033-QS,STC5433PC-QW,STC5433B-QW.Cap suitable for 90583594 Convenience High Efficiency: Allowing for the line to stretch and cushion on impact with hard surfaces,the aerodynamic shape allows less drag for more efficient cuts.easy to use and install pre-wound Tool-less installment,pops in and out of trimmer for ease of use. Use Precautions: Strong centrifugal force and cutting fast during using,recommend to wear eye protection and long pants to avoid unnecessary injury.And this cordless weed eater parts refill is only suitable for tender weed grass.Strong weeds will been recommended to use blades to trim. Size: Cordless grass trimmer spool line diameter 0.079 inch to fits line hole perfectly.Spool line length 20 ft provide a wider range of mowing.