This Bondhus T40 Star Screwdriver is also known as a Torx Driver. This item is the same driver sold in the Bondhus Driver Sets, but sold individually. Comfortgrip two component handle: A tough thermoplastic core for strength and resistance to splitting, and a molded on rubber coating with a slight texture for superior grip. Blade length for the T40 is 6.3” or 159MM. Handle Shape prevents rolling on surfaces angled up to 15 degrees. Protanium High Torque Steel is up to 20 percent stronger than standard grades. Proguard Corrosion-resistant finish grips the screw better, resists solvents, and is 5 times more resistant than competitor finishes. Just like all Bondhus items, this item is Guarenteed for Life!