Features: 1. FITMENT: for Cummins B series 5.9L diesel engines Dodge trucks. -Has also been found to be useful in many other applications where these size fasteners are in a confined area. 2. FUNCTION: Designed to remove and install the 13mm injection pump mounting bolts and idle lock nuts. 3. DURABLE MATERIAL: Made of high quality metal material, have an unparalleled long lifespan. 4. DIMENSION: Overall Height - Top to Bottom: -0.58 Inches. Overall Width - Side to Side: -3.5 Inches. Overall Depth - Front to Back: -7.874 Inches. .