The Monument Drain Auger comes with a hollow spring 1/4in diameter wire cable with a bulbous head for unblocking sinks, urinals, and small drains etc.The rotating crank handle, with thumbscrew, fits over and locks the cable and can be entered through strainers.The 3344K drain auger can also be used without the handle as a refill for the MON3313. Specifications: Length: 7.5m (25ft) long retractable.Diameter: 6mm (1/4 in). Ref: UTTK7664