Usage Tips:Compatible Trimmer Model: ART 23 Combitrim, ART 26 Combitrim, ART 30 Combitrim, ART 23 Easytrim, ART 26 Easytrim.Spool Model: F016800175. String trimmer replacement spool is 8m long, 1.6mm in diameter. Spool cover cap model: F016L71088Premium Material: Quality nylon cord, hard-wearing and cutting grass faster. Flexible and strong, allowing for the line to stretch and cushion on impact with hard surfaces.Excellent Workmanship: Professional CNC cutting and automatic winding is safer and more time-saving than manual winding, reduces damage to the grass trimmer and does not block when mowing.Precaution: When using this product, wear protective goggles and long underwear to avoid injury caused by overflowing the wires. Remove the plug from the socket before replacing, installing or removing accessories.Specification:Material: nylonSize: 8 m long, 1.6 mm diameterTrimmer Spool Model: F016800175Trimmer Cover Cap Model: F016L71088Compatible with Bosch Trimmer Models:ART 23 Combitrim, ART 26 Combitrim, ART 30 Combitrim, ART 23 Easytrim, ART 26 EasytrimFeatures:Increases edging life up to 25% compared to normal use & conditions.Pliable and flexible allowing for the line to stretch and cushion on impact with hard surfaces.Aerodynamic shape allows less drag for more efficient cuts.Autofeed grass trimmer spool, ease the tedious work of hand-winding spools.Package Includes:Spool Line + Cap Cover (as picture show)