The k9-204 can be used on 2"" - 4"" ( 50 - 100 mm) pipe and includes 70' ( 213 m) of 5/16"" ( 8 mm) cable enclosed in the durable nylon sheath. A full range of chain knockers and accessories are . This upgraded version has latches around the perimeter to provide easy access to the inside of the machine an improved cable clamp for increased cable protection and on-board hex key storage. Features ul style""margin-top0px; padding-top 5px; padding-bottom 5px;"" increased productivity - faster setup and cleanup quick cleaning cordless convenience and easy to transport wall-to-wall clean - chain knockers expand for full pipe cleaning simultaneous camera use - inspect pipe while cleaning it out fully enclosed system - faster setup and cleanup to get you in and out of jobs quickly accessories - full range of chain knockers. Specifications Hazardous Materials: No. Drain Capacity: 2" to 4" ( 50-100 mm). Cable Diameter ( Without Sheath): 5/16" ( 8 mm). Rotational Speed: Maximum 2500 RPM. Cable Assembly Length: 70' ( 21.3 m). Cable Diameter ( Without Sheath): 5/16" ( 8 mm).