Heavy Duty Construction: Made from stainless steel, this drill bit maintains integrity during rigorous use and provides long lasting for repeated drain maintenance tasks Resistant Coating: Electrophoretic anti rust layer withstands saltwater and sewage exposure, rust even after years of heavy duty use in harsh plumbing environments Deeply Cleaning Action: The aggressive not only cut through obstructions but also scrub pipe wall thoroughly, ensuring complete drain cleaning and maintenance with each use Universally Compatibility: Works with most 1 / 2 " 1 " drain cable making it versatile for various pipe cleaning systems Powerful Cutting: Features a 2inch multi design with six aggressive cutting edges that easily penetrate tough pipe clogs like tree roots and grease buildup without bending or warping for effective drain cleaning, Manufacturer: HENYGEN