About this item: 1, Remove carbon, rust, and heat glaze deposits from your caliper and piston cylinder walls with the cylinder bore honing tool small engine cylinder hone kit. 2, Constructed of premium metal materials provide this brake caliper hone tool with maximum strength, durability, and longevity. 3, The flexible shaft and spread-control tension nut allow faster cutting and maneuverability; three stone design makes insertion easy by self-centering; Stone sleeves add strength and protect your abrasive stones when not in use. 4, Engine cylinder hone for deglazing engine cylinders 51 to 177mm diameters. 5, Compatible with your electric drills, simply lubricate with brake fluid and run at low speeds moving up and down the sides of your engine cylinders. Specification: Main material: Steel Color: Silver & black Package includes: 1 x Brake Cylinder Hone Piston (or what you choose in the listing) Note: 1. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Return Policy All of our items come with a 30-day free return policy. If you need to return, please contact us, let us know the detailed problem and send us some pictures for confirmation. We reserve the right to refuse any returns for objective reasons. Shipping Policy All of our items are shipped free with tracking numbers. Orders will be shipped within 3 working days upon receipt of payment. Most orders will be shipped within 1 working day. In most cases, shipping takes 8-12 working days.