Fitment： For Gas/ Electric Trimmer Chain Saw Tooth Brush-Cutter Grass Heavy Duty 9" Specifications: Material：Steel Diameter：230mm Hole diameter：25.4mm/1'' Thickness：2mm Max speed：10000rpm Item weight: 508g / 1.1lb Package size: 300 * 260 * 15mm / 11.8 * 10.2 * 0.6in Package weight: 595g / 1.3lb .
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