- 10" x 40-tooth steel brush cutter replacement blade - Blade surface is designed with leakage holes to facilitate the discharge of clippings during work and reduce resistance. - Suitable for most of the gas or electric trimmers (Straight shaft trimmers only) with 10" X 1" arbor (25.4 mm) or 20 mm(using an adapter washer). - Made of fine-grade, heat and rust resistance premium stainless steel, increase the blades’ life span by at least 50%. - Quality meets or exceeds the OEM which helps to cut through thick weeds and brush in your back yard or other landscaping jobs like butter. - Size: 10" (254mm) - Blade Teeth: 40T - Arbor Bore Size: 1 inch - Suitable for: weed, brush, brambles and shrub.