Efficient Multi-Functional Cutter – "Full-surface" cutting edge and six inverted blades clear blockages and debris in one smooth operation, without rattling or jumping. Effective Against Tree Roots and Tough Blockages – Specially designed to tackle stubborn clogs like tree roots, scale, and crystallized urine with ease. Precision-Engineered with 5-Axis CNC Machining Technology – Advanced manufacturing ensures superior accuracy and durability, delivering smooth operation and long-lasting performance. Durable 45# Medium Carbon Steel Construction – High-strength material and solid core design guarantee years of reliable use, ideal for residential and commercial applications. 2-Year Warranty and Brand Compatibility – Backed by a 2-year warranty, and compatible with POPULO, VEVOR, GENERAL PIPE, and other popular drain cleaning machines." Populo Drain Cleaner Accessory - Muliti-Functional Cutter