Contains necessary service tools for MikuniĀ« HSR series carburetors Includes 17 mm x 11/16" wrench for choke nut and drain plug, main jet T-wrench, correct JIS (Japanese Industrial Standard) Phillips screw driver, flat head screwdriver, 2.5 mm ball and Allen for jet needle retainer Made in Japan. TOOL KIT HSR 42/45/48