It's the small hollow chamber that defines our new WCD Hardcore Tool. This multi-functional skate tool is designed to fit in any bag or pocket and stores everything you need for a quick pit stop safely in its ergonomically shaped, anodized aluminum handle. 4mm hex wrench, T25 Torx wrench, bearing removal tool, Phillips head and slotted screwdriver, all in one. Simply slide the appropriate tool into the magnetic slot, repair what needs to be broken and continue your ride. Sometimes it's just the right key that's the key to success.