Comprehensive drain rod set with full range of accessories for general purpose domestic drain clearing. Constructed with universal joints and crimped riveted end connections for reliability and durability. Double worm screw end breaks up obstructions and plunger creates a build-up of pressure forcing obstructions to clear. Flexible and easy to screw together, the polypropylene rods, 920mm long x 18mm diameter, are available in a set of 10 rods and an extension pack of 4 rods. The accessories are also compatible with Silverline Expert Drain Rod Set 868720 and many third party sets. Always rotate clockwise.