Material: Crafted from durable steel, this lawn mower blade ensures long-lasting use and resistance to rust. Cutting Performance: Featuring edges milled to precise sharpness, this Laser replacement blade for Powersmart offers optimum cutting performance for a well-manicured lawn. Heat Treatment: Engineered with heat treatment, this blade boasts improved durability, allowing it to withstand the rigors of regular use. Corrosion Protection: Featuring an E-coating, this lawn mower blade offers enhanced corrosion protection, keeping it looking new for longer. Universal Fit: Compatible with PowerSmart models DB8621C and DB8621P walk behind mowers, this blade provides a versatile solution for your lawn care needs. Fits PowerSmart models DB8621C, DB8621P Replaces OEM # 303071037 Premium specific fit replacement blade with edges that are milled to precise sharpness for optimum cutting performance. Heat treated for improved durability and E-coated for corrosion protection. Blade dimensions: 20.5"L x 2-1/4"W x .132" Thick Center hole .48", Outer hole .61 x .35 Fits PowerSmart models DB8621C, DB8621P & more. Refer to your user manual to ensure fit. Replaces OEM # 303071037 Mulching design