7 degree tapered reamer, top diameter: 1.1 inches, tip diameter: 0.50 inches, base diameter: 0.464 inches. The 7-degree tapered reamer is a general-purpose tool used in construction, steel framing/fabrication, and automotive industries. Suitable for car and truck tow bars, drills tapered holes in front control arms for tow bars. Tapered reamer tie rod fits 1-1/2 inches per foot, tapered design, ensures ball joint and spindle are properly assembled, creates tapered hole for securing tie rod end. Made of 6542 high-speed tool steel, which has high hardness, strong wear resistance, high thermal hardness, high hardenability, high plasticity, and toughness. It can withstand large impact and high load operations, and can be used multiple times. Suitable for a variety of materials such as aluminum, brass, cast iron, copper, iron, metal, plastic, and steel. High quality reamer with precise dimensions, sharp cutting edge, smooth operation, remains sharp and in good condition, maintaining its edge for ball joint sockets. Precision ground for tight angle and roundness tolerances. Fits most standard ball joints for maximum surface contact. 3 symmetrically placed flats on the handle provide positive grip in portable electric and pneumatic tools, offering stable and comfortable handling, and help maintain a round hole for easier articulation. Color: silver Material: high speed steel Size: Length: about 17cm Package Contents: 1 x reamer drill bit Only the above package content, other items not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. Measurement allowed error is +/- 1-3cm.