Wolf Tooth EnCase System Chain and Tire Plug Multi ToolFix tubeless tire punctures and broken chains. This multi tool has a chain tool on one end and a tire plug built into the handle with inner storage for tubeless tire plugs. The full multi tool was designed for use with an EnCase System Storage Sleeve which fits inside bar ends of your handlebars. Ride with this multi tool in a storage sleeve or in a tool wrap for easy repairs while riding. Compatible with all bicycle chains including 12 speed Inserter