• Compatible with the M18 FUEL™ High Speed Chain Snake for 1-1/2"- 4" Pipes Carbide Chain Knockers are best used in Cast Iron Pipes Compatible with competitive 5/16" flexible shaft machines RUST GUARD™ Plating to Prevent Corrosion Additional accessories available for grease and soft blockages: 1-1/2" Standard Chain Knocker (48-53-3020), 2" Standard Chain Knocker (48-53-3021), 3" Standard Chain Knocker (48-53-3022), 4" Standard Chain Knocker (48-53-3023), Grease Penetrating Head (48-53-3028) Delivers a wall to wall clean that can tackle scale and hard deposits Stainless Steel Set Screws for Corrosion Resistance Ability to Navigate Tees and Bends Additional accessories available: 2" Carbide (48-53-3025), 3" Carbide (48-53-3026), 4" Carbide (48-53-3027)

Our 1-1/2" Carbide Chain Knocker for the M18 FUEL™ High Speed Chain Snake delivers a wall-to-wall clean that can tackle scale build-up, hard deposits, grease, and tough blockages. The carbide chain knockers are best used in Cast Iron and other hard-walled pipes. These carbide tabs deliver strength and durability for long-lasting descaling performance. These steel chain knockers feature durable construction to tackle tough clogs in 1-1/2" lines. Featuring stainless steel set screws for corrosion resistance. Additional accessories available for more descaling and breaking up grease: 2" Carbide (48-53-3025), 3" Carbide (48-53-3026), 4" Carbide (48-53-3027), Grease Penetrating Head (48-53-3028).