- Simple operation: no need to disassemble and change the rope, just rotate the aluminum head to roll up the rope. Great for novice mass mowing lawns. 2. Durable: Our universal brush cutter head adopts a metal aluminum head and a thickened PP shell. Cutting wire is made of nylon 6, the round shape is more wear resistant and has a longer service life. 3. Anti-abrasion: Universal lawn mower head adopts circular arc design around the rope exit, which can reduce the wear of the cutting line and make the rope exit process smooth. 4. Nut parameters: M10 x 1.25mm, nut inner hole Ă˜10mm. 5. Package includes: 1 x Aluminum Universal Brush Cutter Head, the size is 5.7 * 3 inch (diameter x height). Ă˜ 2.4 mm Coil 30 m.