- 180-degree adjustable wheel angle: The improved design enables a 180-degree adjustable wheel angle, allowing adaptation to different interfaces and improving trimming precision. - Flexible height adjustment: With a height range of 17.8 cm to 45 cm, this trimmer wheel can be raised or lowered to fit various backpack mower models, offering comfort and versatility. - Aerospace-grade metal construction: Made from enhanced aerospace-grade metal, the wheels provide exceptional stability and long-lasting durability, delivering reliable support during operation. - Broad compatibility: Designed to fit popular backpack mowers on the market, it is compatible with 26 mm and 27 mm shaft tubes, providing wide compatibility. Use scenarios: - Edge and border trimming: Use the 180-degree angle to reach tight spots and maintain precise cuts along fences, borders, and obstacles. - Cross-model compatibility: Swap between different backpack mowers with ease thanks to the 26 mm and 27 mm shaft tube compatibility and adjustable height. - Prolonged trimming on uneven terrain: The aerospace-grade metal offers stable support and durability for long or demanding trimming tasks.