The Crank Brothers Multi 19 tool is well constructed and very high quality making it a favorite for mechanics and folks that know good tools. It features 19 of the most important 6150 high-tensile steel tools required to fix almost any trail or roadside mechanical or needed adjustment - including an ingenious chain tool that works for 8, 9, or 10-speed chains. The Multi 19 comes with a sleek aluminum carrying case. Works great for road or mountain. Makes a great gift.