DescriptionAn Optimal Tools An innovative, small, multifunctional, practical tool designed to install and remove Schrader and Presta valve cores, as well as Presta valve extenders with a 5mm wrench flat. Super easy to use. Provides convenience in your daily life.Durable Quality Anti-slipThe valve core wrenches are made of quality aluminum alloy material with CNC machined, anodized finish which is sturdy and durable and supports a long time of use. It features a hexagonal design and this one is made with knurled sides for a better grip, which means faster repairs with wet or oily hands.Portable CompactThe valve core removal tool measures approx. 5.5 cm/2.17 inches in length which is slim, lightweight and easy to carry around. A must-have tool in your saddlebag!Wide ApplicationThese valve core removal tools can easily tighten or remove valve cores on bicycles, cars, trunks and all other air-filled tires. Can also be used for Presta valve extenders with a 5mm wrench flat. Fits between spokes for quick and easy core removal.