The tapered design allows the ball joint to be properly installed on the spindle. of the drawbar is connected to the spindle. The tapered hole is used to fix of the drawbar. The 10-degree tapered reamer is a universal tool. The tapered reamer drawbar is suitable for 1-1/2 inches (about 3.5 cm) per foot. Made of 6542 high-speed steel, it has high hot hardness, high wear resistance, high hardening, sufficient plasticity and toughness. And it can withstand large impact forces and high-load operations, and can be used many times. The tapered reamer, with an angle of 10°, can articulate the drawbar taper on the knot hole. It is suitable for car and truck drawbars. 10-degree ball joint tapered reamer, Weight: 0.35935348706 pounds, Manufacturer: Aisuoka