The Original WeedShark MightyMax with Poly Blades Description Engineered in the USA; Quality in design, manufacturing, durability and versatility make the WeedShark MightyMax an awesome tools for farmers, gardeners and home owners alike. Using WeedSharks considerably saves time when attacking weeds. Comes with replaceable Polymer Teeth. Features: Fits 97% of gas powered straight shaft trimmer machines Great for Gardens, Edging, and medium material cutting Revolutionary performance from Dual Cutting Action! Comes with Polymer Teeth that are replaceable! Designed for Trimmer with 21cc +/Cuts 2x faster Product Details: Brand: TruePower Power Source: gasoline-powered Item Weight: 16 Ounces Assembly Required: No Product Dimensions: 13 x 10 x 2 inches Item Weight: 1 pounds Manufacturer: Anaconda Item model number: 40-4014 Is Discontinued By Manufacturer: No