Improve the performance and versatility of your cylinder honing equipment with this premium replacement stone set, designed to suit the Kennedy Cylinder Hone 503-292 and compatible with most other leading brands. Ideal for general-purpose engine reconditioning and maintenance, these medium-grit stones deliver a reliable, consistent finish on a wide range of cylinder bores. Each stone measures 100mm in length, providing ample contact area for efficient, uniform material removal and accurate sizing. Supplied in a convenient pack of 3, this set ensures you always have spares on hand to minimise downtime in busy workshops, garages, or industrial environments. The 93g total weight makes them easy to handle and fit, while the medium grit offers an excellent balance between stock removal and surface smoothness, helping you achieve clean, properly prepared surfaces ready for further finishing or assembly. These high-quality stones are manufactured to precise standards for reliable performance and long service life. Perfect for professional mechanics, engine builders, and serious DIY users seeking dependable honing results. MFR Part No. 0123-M. Number of Pieces: 3. Hone Length: 100mm. Grit: Medium. Weight: 93g.