High-Quality Replacement Blades: These electric planer blades are crafted from high-speed steel, ensuring exceptional hardness and durability for long-lasting performance. Precision Cutting: Featuring a 42-degree cutting edge, these blades provide precise and efficient cutting on hardwood, high-impurity wood, and artificial rubber. Easy Installation: Designed for direct installation, these 82mm/3-1/4 inch blades are compatible with 1900B model tools, offering convenience and time-saving benefits. Reliable Performance: High-frequency welding and solid inlay technology ensure no deformation or cracking, delivering consistent and excellent cutting results. Customer Assurance: We offer a satisfaction guarantee, with dedicated support available to address any concerns within 24 hours, ensuring a hassle-free experience.