Orion Motor Tech Thread Repair Kit, SAE and Metric Helicoil & Set Product Details Manufacturer: Orion Motor Tech Brand: Orion Motor Tech Item Weight: 8.27 pounds Package Dimensions: 15.94 x 12.95 x 4.29 inches Country of Origin: China Manufacturer Part Number: TRK-K262-BX ALL-IN-ONE KIT: This thread repair kit by Orion Motor Tech includes drill bits, screw taps, wire thread inserts, and installation & tang break-off tools in the 5 most needed SAE and metric sizes: 1/4″, 5/16″, 3/8″, 7/16″, and 1/2″ as well as M5, M6, M8, M10, and M12 PURPOSE BUILT: Each tool of this heavy-duty helicoil kit is made of quality steel for durable handling and is heat treated for greater strength and longevity in place WIDE APPLICATION: Our universal rethreading tool kit is ideal for restoring stripped or damaged internal threads as well as for performing maintenance work to protect any threads from wear and tear EASY USE: The 135° drill bits quickly create room for the installation tools to smoothly fit the inserts that repair your old threading, while the break-off tools clean things up for use SUPERIOR PORTABILITY: This multipurpose drill and tap set comes with convenient carrying case to hold and organize all the parts for easy transport and storage between jobs