Small, handy tool designed to make extracting Schrader and removable Presta valve cores and valve extenders simple 5mm wrench flats provide additional leverage, especially useful when removing cores that have been used with sealant A perfect 'take along' tool especially for tubeless users and people running deep section rims Anodized in vivid Park Tool blue to make it stand out on your workbench Made in the USA and covered by Park Tool's legendary limited lifetime warranty