Description: A set of 7 bearing puller attachments used for removing inner type bearings and supports bearings with an inner diameter of 0.3 - 1.0 inch (8 - 25 mm). Attach attachment to match the bearing size and tighten the center bolt to pull the bearing. Product Specifications: Package Contents 1 x Main Unit 2 x Push Bolts 2 x Adapter Attachment Size: 0.3 - 0.4 - 0.5 - 0.6 - 0.7 inches (8 - 10 - 12 - 15 - 17 Note: Please use the attachment that matches the size of the object. Do not use for anything other than the intended purpose.