Drill PumpsJabsco drill pumps provide a very versatile means of transferring fluid almost anywhere an electric drill with 1/4" to 3/8" chuck can be operated. They provide easy powered pumping almost anywhere a hand utility pump might be used.Pumps up to 3.5 gpmSelf-priming to 3ft1/4" diameter shaftSupplied with 3/4" garden hose thread port adaptersWARNING: This product can expose you to chemicals including COBALT METAL POWDER which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.