High Strength Crowbar Set of 3Durable engineering plastic with long service life. Useful for changing tires, finding pistons, etc. Excellent leverageProfessional designed spoke hooks. Easily hooks onto spokes and secures tire. You can easily lift the tire yourself. Will not damage the tires16mm widened design, the force is direct and scientific. The edges are deburred to avoid puncturing the tube when prying. Moderate Size and PortableWith groove design, they can be nested together without taking up space. It is recommended to use 3 tire levers in combination to remove the tire, which is more convenient and easy. Made of high-strength nylon Does not hurt the rim or inner tube. Good length makes it easy to use. The front of the hitch is thin, but very strong (a bike shop will last you a year or two). Easy to insert into the edge of the tire.