Stan's Tubeless Valve Core Remover Tool Description: The Stan's Tubeless Valve Core Remover Tool is designed to make it very easy to remove valve cores. While primarily designed for tubeless presta valve cores, this tool can also be used to remove a schrader valve core for servicing and filling up a schrader valve tube with sealant. Features: CNC machined 6061 aluminum alloy features an anodized finish with laser etched logo Knurled sections for extra grip and leverage on stubborn valve cores Removes presta and schrader valve cores Fits between spokes for quick and easy core removal