[ Tool]: This Bearing Puller Tool is specifically designed for motorcycle steering bearing steel bowls. It is not suitable for use with other equipment. [Slide Hammers Design]: The Gear Puller Set features a slide hammers design, not a screw puller! It should not be used with wrench to twist the screw, it can be tightened by hand. [Thread Connection]: The thread connection for the slide hammers /2inch-12 (imperial thread), not metric M12. Do not force mismatched rods into the threaded hole as this could potentially damage the rod threads. You can weld a matching nut the back of the rod or tap internal threads if needed. [Note]: This Bearing Puller Tool cannot be used for steel bowls that are completely attached to the bottom and have of less than 2mm at the bottom. [Material]: The Bearing Puller/Remover is made from Steel, which is sturdy and can be used for a long time. Size: 25cm x 15cm/9.84inch x 5.91inch Adjustable Size: 3cm/1.18inch to 6cm/2.36inch Color: Black Material: Steel Package Contents: 1 * Motorcycle Directional Bearing Outer Ring Rama Fixture 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.