This 17″ offset wrench is a specialty tool designed specifically for removing and installing 1/2″ fan blade clutch bolts in vehicles. It features a 12-point drive type for added leverage and is designed in SAE measurement. This single item wrench is made in the United States and carries various interchange numbers for versatility in use. Ideal for automotive mechanics and DIY enthusiasts, this obstruction wrench offers a precise fit and reliable performance for specific tasks.