Angled-Beveled Edger Blade. Heated treated blade for extra durability and toughness. The blade is a 10" length with 2" width. The center hole is 1/2" with a .125" thickness. The blade is sharpened on 4 sides and painted black oxide for increased durability. Edger blade replaces Lesco, Mclane, Tanaka, Edgewater, ESF, Foley/Belsaw, Frederick/Oregon, Green Line, Green Meadow, Kwik-Fix, Laser L, Laser, Mower More EBS, Quality, and Rotary brands. Features: Center Hole: 1/2" Finish: Black Oxide Heat Treated: Yes Sharpened: 4 Sides