About this product: 🌻 [Compatible with Bosch Trimmer Models]: Compatible with Bosch series trimmer models: Bosch/ART30-36Ll, AdvancedGrassCut36, ART24. ART27, ART30, ART24+, ART27+, ART30+, (from 2016 models). Aerodynamic oval design to reduce air resistance. Replacement spool type: for Bosch F016800351 Replacement cap type: 1600A00X61. 🌻 [High-quality material]: The replacement shaft for Bosch F016800351 is made of high-performance plastic, which is safe and environmentally friendly. The nylon thread is made of high-quality nylon material, imported from Germany. Flexible and durable operation: The replacement shaft uses centrifugal force and aerodynamics to reduce air resistance for fast cutting. 🌻 [Size]: Professional CNC-wound spool: Bosch F016800351/1600A00X61 replacement spool is cut and wound by a CNC machine with automatic cable switching. Bosch F016800351 has a replacement spool length of 6.1 m/20FT, a replacement spool width of 5.5 cm, a height of 2.35 cm, and a diameter of 1.65 mm. The trimmer cap has a diameter of 7.5 cm and a height of 3.3 cm. 🌻 [Easy installation]: 1. Stop the engine, remove the cover, and remove dirt and old spools. 2. Thread the wire through the loop on the spool. 3. Press down the spool and turn it to the correct position. 4. Replace the cover and check that everything is in order. 🌻 [Note]: 1. When using this product, protective measures must be taken to avoid personal injury caused by overflowing wires. 2. It is recommended to wear safety glasses and long pants when mowing the lawn to avoid unnecessary injuries. Specifications: Nylon specification: Ø1.65 mm - gray recess Spool capacity: 20FT/6.1M Product weight: Spool: 35g Cap: 22g Detailed list: F016800351 spool/1600A00X61 cap lawn mower wire trimmer head lawn mower spool*(6 pcs spool + 2 pcs cap)