Amazon.com: 10" x3T Steel Brush Cutter Blade for 1" (25.4 mm Or 20 mm Arbor), Carbon Steel Weed Eater Blades with Blade Adapter Attachment Kit Compatible with Hus-qvarna, Sti-hl, Ore-gon, and Hita-chi :
Metal Grass Blade for Weed Trimmers & Brushcutter | STIHL USA
Metal cutting attachment: Grass cutting blade | STIHL | STIHL
Tri-Bladed Metal Brushcutter & Trimmer Blade Attachment | STIHL USA
Brush Blade installation on a STIHL weed eater + Demo. - YouTube
Amazon.com: Grass Trimmer, Strimmer Head Brush Cutter Blade Fit For STIHL POLYCUT 6-3 FS38 FS40 FS45 FS46 FS50 lawn mower attachments Grass Trimmer : Patio, Lawn & Garden
Metal cutting attachment: Grass cutting blade | STIHL | STIHL