Do it Precision Star Screwdriver Size 9 Tip features a 2-1/2 inch chrome vanadium steel blade with a black tip designed for long-lasting durability. This precision Torx screwdriver is for hobbyists, watchmakers, optical work, and other detailed tasks requiring accuracy and control. It includes a large swivel head for enhanced maneuverability and color-coded, cushion-grip handles for comfort during use. The overall length of the tool is 5-1/2 inches, making it a convenient size for intricate work. Model Number: 319177