This is actually a must have if you run tubeless tires. The valve core removal tools which typically come with tubeless tires and stems for tubeless are OK but often lack the durability you need over the long haul. Those tools are also quite small and not as easy to use if you're you have any issues with hand or finger manipulation as do many Senior cyclists like me. The Park VC-1 valve tool significantly reduces this dexterity challenge.
Needed a tool to deal with the Lezyne pump head sometimes pulling out Presta cores. Also useful for injecting sealant for tubeless applications. Well made and has been useful. I try not to think how much money I spent on it.
Sturdy-seeming with expected Park Tool fit and finish, this seems like a reasonable choice for someone who can use all of its functions. In retrospect, since I only need the presta core tool, I would (and eventually did) opt instead for a smaller alternative that doubles as a valve cap
