Our Drum w/ Anchor Cable for M18 Drum Machine (47-53-2817) gives drain technicians increased versatility to have multiple sized cables for tackling clogs in 1-1/2”-4” drain lines. The Drum w/ Anchor Cable for M18 Drum Machine can hold up to 100’ of 3/8” Inner Core Cable and up to 75’ of 1/2” Inner Core Cable. The 3/8" cable is best for use on 1-1/2"- 3" drain lines and 1/2" cable is best for use on 3-4" drain lines. Our Drum w/ Anchor Cable for M18 Drum Machine is also compatible with our CABLE DRIVE™ Assembly (47-53-2816) that allows you to automatically feed and retract cable up to 15-20 feet per minute. Cable sizes available are 3/8" x 75' (48-53-2776), 3/8" x 100' (48-53-2777) and 1/2" x 75' (48-53-2778).