ITEM NAME:Universal Aluminum Grass Trimmer Head With 4 Lines Brush Cutter Head Thread F5V4 Universal Aluminum Grass Trimmer Head With 4 Lines Brush Cutter Head Thread F5V4 The trimmer head is made of solid aluminum, ensuring durability. Convenient to change, easy to install. Vibration is small, wear well and durable. Fit for most lawn mower, universal use. Practical and compact, a great accessory for grass brush cutter. Specification: