Heavy duty all steel construction for durability and long life. Powder coated for rust resistance. Independent and reversible cutting edge for ease in replacement and installation/removal. Works as "one" with the blade and will not interfere with spring trip, angling or lift. Cutting snow plowing by 30%.Full vehicle coverage even when fully angled. Ease of install and removal. Kit includes (2) 9-inch extensions, (2) 9-inch reversible cutting edges plus installation hardware. This item is in the category "Business & Industrial\Heavy Equipment, Parts & Attachments\Heavy Equipment Parts & Accessories\Other Heavy Equipment Parts & Accessories". The seller is "thegreendealer" and is located in this country: US. This item can be shipped to United States.