Made of 6542 high-speed steel, it has high thermal hardness, high wear resistance, high hardenability, sufficient plasticity and toughness. And it can withstand large impact force and high load operation, and can be used multiple times The 7 Degree Taper Reamer is a tool. The tapered reamer drawbar is suitable for 1-1/2 inches per foot. The tapered design allows for proper installation of the ball joint onto the spindle. The drawbar ends With the spindle, the tapered hole is used to fix the tie rod end Tapered Reamer, Angle 7°, Top of Taper: 1.1inch, Tip Diameter: 0.50inch, Bottom of Taper: 0.464inch, Can Articulate Rod Taper on Knuckle Hole, Fits Car and Truck Towbars High quality reamer with precise dimensions and ball joint blade, runs smoothly and remains and in good condition after multiple uses, keeping its edge perfect for ball joint sockets, Weight: 0.56438339072 Pounds, Manufacturer: Aisuoka