The Viking 63407020100 is a genuine OEM 430mm mowing blade designed for Viking lawnmowers. This high-quality blade ensures efficient and precise cutting performance for a well-maintained lawn. It is compatible with various Viking MA, ME, and MB series models, including MB 443, MB 443 C, MB 443 T, MB 443 TX, MB 448 T, MB 448 TX, MB 448 TC, MB 448 TXC, ME 443, ME 443 C, MA 443, and MA 443 C. Weighing approximately 0.6 kg, this durable blade is an essential replacement part for maintaining optimal mower functionality.