7-1/2-inch Replacement Blade Compatible with Black Decker Model: LE750, LE710, LE760, LE760FF EH1000, for the 2-in-1 Landscape Trencher Replacement part: EB-007 - Compatible with Craftsman Model: CMEED400 Blade size: Length 7-1/2", Width 2 3/4", Center Hole 1/2", Thickness .090" The product is made of hardened steel, durable, wear-resistant, anti-breaking, anti-cracking, long service life Please check the model carefully before purchasing the product. If you have any questions, please contact us. Thank you for your reply and help within 24 hours 7-1/2-inch Replacement Blade Compatible with Black Decker Model: LE750, LE710, LE760, LE760FF EH1000, for the 2-in-1 Landscape Trencher Replacement part: EB-007 - Compatible with Craftsman Model: CMEED400