im a plumber by trade , i purchased the self feeding hand held 1/4” cable drain machine , because my machine broke after 20 years so i thought i would try this inexpensive tool , the self feeder fell off after 1 use , the drum which stores cable needs to be twice as large the drum is to tight which causes cable to hold the shape of the drum , and you can’t undue that shape , causing me to purchase another machine that will last and allow my cables tladt a lot longer