Premium Stainless Steel Construction Crafted from SUS420J2 stainless steel, this blade offers exceptional hardness and durability, ensuring long-lasting performance Corrosion & Rust Resistant Designed to withstand harsh outdoor conditions, the blade is highly resistant to corrosion and rust, making it suitable for prolonged use Integrated One-Piece Design Features a one-piece molded construction for easy installation, ensuring a secure fit with Stihl/Viking robotic mowers Precision Craftsmanship Engineered with smooth, burr-free edges for enhanced durability and reliability, offering a consistent cutting experience Sharp Brushed Edge Design Equipped with a finely brushed cutting edge, the blade remains sharp and wear-resistant, providing efficient grass trimming Specifications: Material: Stainless steel 420J2 Dimensions: Length: 28cm Hole distance: 9.5cm Hole diameter: large hole 8x16mm, small hole 8x10mm Compatible Models: For Stihl: RMI 632, RMI 632 P, RMI 632, RMI 632 PC For Viking: MI 632, MI 632 P, MI 632 C, MI 632 PC Package included: 2 x Cutting Blades