[Premium High Speed Steel Material]This tapered ball joint reamer is made of high quality high speed steel material, very sturdy and . It has high hardness and wear resistance, which can withstand major impacts and high-load operations, making it a reliable choice. [Unique Design]This 7 degree ball joint tapered reamer features unique design, providing a stable, comfortable grip and smoother reaming in portable power and pneumatic tools. It can precise fitting of ball joints and tie rods in a variety of automotive applications. [Multipurpose]This reamer tool is designed for a variety of uses, specializing in automotive, bridge structures and metal fabrication, drilling tapered holes in drawbar control arms on cars and trucks. [Suitable for Material]This bridge construction reamer tool is suitable for a variety of materials including aluminum, brass, cast iron and steel. The and blade ensures smooth operation and maintains precision over multiple uses. Colour:As Shown Material:High-speed steel Type: W4241 Package Contents: 1x Tapered ball nose reamer (with 1/2 inch tool holder) 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.