The K Tool International 13 x 1.5 mm Metric Double Box Spline 90 Tooth is a high-quality tool designed for automotive maintenance and repair. With its durable construction and precise measurements, this product is a valuable addition to any workshop or garage. The manufacturer part number MST13X15 KTIXDDB13X15 ensures compatibility with a range of vehicles, making it a versatile tool for professionals and DIY enthusiasts alike.