Usage Tips: 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 fits 1-1/2 inches per foot, features a tapered design for proper assembly of ball joint and spindle, secures tie rod end to spindle with tapered hole. Made of 6542 high-speed tool steel, which offers high hardness, strong wear resistance, high thermal hardness, high hardenability, high plasticity, and toughness. Can withstand heavy impact and high load operations, reusable, and 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, and consistent performance. Maintains sharpness and condition over multiple uses, ideal for ball joint sockets. Precision ground to tight angle and roundness tolerances. Fits most standard ball joints for maximum surface contact. Three symmetrically placed flats on the handle provide secure grip when used with portable electric and pneumatic tools, ensuring stable and comfortable handling. Designed to help maintain round hole geometry for easier articulation. Color: silver Material: high speed steel Size: Length: approximately 17 cm Package Contents: 1 x reamer drill bit Note: Light reflection and different displays may cause slight variations in the color shown in the image compared to the actual item. Measurement may vary by +/- 1-3 cm.