gohantee Engine Cylinder Hone Adjustable Deglazer 2" to 7" (51 177mm) Wide with 3 PCS 4" Replaceble Long Stones 220 Grit Car Grinding Brake Shaft Tool

【Replaceable Grinding Stones】This engine brake cylinder hone set features 3 replaceable 220 grit grinding stones, allowing easy part replacement, cost savings and long-term service life without buying a whole new set 【Powerful Function】Ideal for restoring smooth cylinder walls on both gasoline and diesel engines. This cylinder bore honing tool efficiently removes carbon deposits, rust and heat glaze from caliper and piston cylinder walls quickly and effortlessly 【3-Stone Design】Built with a flexible shaft and spread-control tension nut for fast cutting and flexible maneuverability. The 3-stone self-centering design allows easy insertion into cylinder bores. Stone sleeves strengthen the structure and protect abrasive stones when not in use 【Flexible & Adjustable Operation】Comes with an adjustable tension screw to control spring pressure of the stones, perfectly fitting various cylinder bore diameters. The self-aligning flexible shaft ensures smooth movement and creates even, consistent hatch patterns on cylinder surfaces 【Wide Compatibility】Suitable for deglazing and honing engine brake cylinders with diameter from 5.1cm to 17.7cm. Works perfectly with electric drills; simply lubricate with brake fluid, run at low speed and move up and down along cylinder walls for convenient use