Upper knife block (angled type) is designed for Brother V series overlock machines, providing secure support and precise alignment for angled top knives. Made from high-quality, durable materials, it ensures smooth cutting, consistent stitch quality, and long-lasting performance. Ideal for professional maintenance, repairs, and machine upgrades. Compatible with: · Brother MA4-V91 · Brother MA4-V92 · Brother MA4-V61 Key Features: Premium replacement upper knife block (angled type) Compatible with Brother V series overlock machines Part number: S20590-0-01 Ensures precise top knife alignment for clean, accurate cuts Durable and long-lasting construction Perfect for industrial and professional sewing machine servicing A reliable premium replacement part to maintain optim Compatible with: Brother MA4-V61