Machined from durable aircraft-grade aluminum alloy to conveniently extend the length of two-piece type Presta valves by 70mm to aid inflation. A durable aluminum alloy valve tool is designed to easily tighten or remove two-piece type Presta valve cores and valve extenders.

Note:
To improve air seal, wrap threads of valve extender and valve core with Teflon thread tape and ensure threads are tight.