Ryobi Reconditioned RY15702 Expand-It 8 inch Brush-Cutter Attachment For Trimmers (Refurbished) Ryobi Expand-It RY15702 8" Brush-Cutter Attachment For Trimmers Weed Cutters Universal Brand Fit Straight shaft provides extended reach Brush Cutter designed to cut thicker weeds and pulpy stalks Tri-Arc blade has 8" diameter and is made from heavy grade steel