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 the bridge, 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, ball joint and spindle properly assembled, tie rod end to spindle, 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 and is suitable for a variety of materials, such as aluminum, brass, cast iron, copper, iron, metal, plastic, steel, etc. High quality reamer with precise dimensions, sharp ball joint blade, smooth operation, multi-purpose, still stays sharp and in good condition, keeping its edge perfect for ball joint sockets. Precision ground for the tightest angle and roundness tolerances. Fits perfectly with most standard ball joints for maximum surface contact. 3 symmetrically placed flats on the handle provide positive grip in portable electric and pneumatic tools, a stable and comfortable grip, and provide extra leverage to help maintain a round hole for easier articulation. Colour:silver Material:high speed steel Size:Length: about 17cm Package Contents: 1 x reamer drill bit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.