Taper joint reamer has a reliable and stable performance, and provides extra leverage to help keep the hole round and easier to ream, which keep it's edge perfect for ball joint socket. Our 10°tapered reamer is designed for proper fitting of ball joints to spindles. Angle: 10°, Taper top: 1inch, Tip diameter: 1/2inch, Taper bottom: 1/2inch, can ream the tie rod taper on the knuckle holes. Long life-span matters, that is why tapered reamer drill bit is composed of W6542 high-speed tool steel, which has high thermal hardness, high wear resistance, high hardenability , sufficient plasticity and toughness, and can withstand large impact forces and high load operations. The 1/2inch shank design allows for usage in a wide range of machines, making it a versatile addition to any tool kit. Tapered ball joint reamer for precision reaming of wood, plastic, and metal materials. Tip: You can add some cutting oil for easier operation. Colour:As Shown Material:High Speed Steel Package Contents: 1 x reamer 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.