Profile: Sharper Blade is a manufacturer of lawn and garden equipment. Our product line includes weed whacker blades, edger blades and lawn mower mulching blades. Our blades are made with ultra durable polymer imbedded with nylon at their cutting positions. The weed whacker blade cuts weeds and grass along shrubbery borders, next to fences & structures, in waste areas. The edger blade sharpens itself as it edges the lawn without damaging property or sprinkler heads.