Everything you need to get the job done is at your fingertips. The only bad thing was that I wish there was a top and bottom label on the outside so I don't spill it 50% of the time when I open the box.
Pros
For use with most fuel lines, air conditioning lines, radiator and heater hoses, easy push and pull; popular sizes are 3/16", 3/8", 1/2", 5/8", 3/4", 7/8".