Self-priming pump chucks into standard 1/4 drill pumps up to 3-1/2 gallons per minute. Use it for draining engine oil through dipstick tube pumping scavenging jobs and many other uses around the boat or home. NOT for pumping gasoline or other flammable liquids. Kit includes: 3-foot by 1/2" hose adapter and 1/4" x 40" dipstick probe. Packed in poly bag with header.