Upgraded the shitty tri-blade with a real brush cutter blade, this thing kicks ass now! Single swipe through an inch+. Cuts through grape vine, brush, mulberry, etc quite well. : r/ryobi
Amazon.com: Ryobi RAC117 Tri-Arc Blade for All Ryobi Petrol Brush Cutters and Grass Trimmers, 26 cm : Patio, Lawn & Garden
Ryobi 30cc 4 cycle expand-it trimmer/brush cutter - farm & garden - by owner - sale - craigslist