Valve Core Removal Tool: The valve core removal tool is made of high-quality aluminium alloy, which is machined and anodised, used for installing and removing and Presta valves. Comes with a Presta valve extender with 5 mm flat key. Help to easily tighten or remove valve cores on bicycles, , boots and other -filled tyres. Tubeless sealing syringe for cycling: Adopts a capacity (60 ml) syringe with open scale value is and corresponds to the capacity. A smooth plunger, a straight tube, a slim visible head. You can easily inject the sealant through the valve head into the tyre without clogging the valve. Additional Presta Valve Cores and Caps 4 pieces Presta valve cores and 4 pieces Presta valve caps are included. Presta valve cores can be used to replace the old or leaky valves. The Presta valve caps can prevent leakage and prevent dirt and rain from entering. Easy to : the conventional tubeless gasket sprayer goes over the valve and causes sealant to clog the valve and no can penetrate the tyres. The newly developed tubeless bicycle seal syringe can be inserted directly into the tyre without blocking the valve. So you can eliminate the problems of setting up without a hose. Specifications: Dimensions: 15 x 4.5 x 3.5 cm Weight: 57g Color: black + silver + blue Material: metal + plastic Package Contents: 1 x tubeless tyre seal syringe with switch. 1 x valve core removal tool 4 x Presta valve cores 4 x Presta valve caps Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.