1. Versatile Cylinder Honing Improve your engine maintenance routine with the engine cylinder hone, which is ideal for deglazing cylinders with a diameter of 32mm/1.26' to 90mm/3.54'. This versatile tool is suitable for a variety of engine types, including cars, trucks, buses, tractors, industrial engines, and small aircooled engines. 2. Interchangeable Whetstones Expand your grinding skills with the cylinder whetstone featuring three 4inchlong, interchangeable whetstones with a fine grit of 220. These stones are designed for durability and performance, allowing you to achieve precise and efficient deglazing results. 3. Custom Spring Adjustment The knurled wheel on the cylinder hone allows the user to adjust the spring pressure of the stones against the cylinder bore, providing individual control for different applications. Combined with a flexible shaft, this feature ensures easy handling and selfcentering for even and accurate honing. 4. Efficient Cutting Benefit from the flexible shaft, controlled spring action, and spread limitation of this cylinder grinder, enabling faster transitions between cylinders with the fastest cutting process. Thanks to these features that streamline the honing process, you'll enjoy improved efficiency and productivity in your honing tasks.