Designed to fit securely inside your mountain bike's handlebars, the Lezyne Dual Insert Kit features essential steel bike tools housed in a machined aluminum frame so you can keep on riding. Available in small, medium, and large Tool Insert Kits, the steel bits are designed with anti-corrosion technology for enhanced durability, while the Tubeless Insert Kit comes with five tubeless plugs and a reamer. The Tool Insert Kit contains the most common sizes of hex and torx wrenches, as well as a Phillips screwdriver for repairs on the fly. Never let a standard repair turn into the dreaded walk of shame again.