This 280 grit spare stone set is the finest grade option in the Draper cylinder hone range, ideal for achieving superior surface finishes during engine rebuilding. The 280 grit specification provides an extremely fine honing action, perfect for final finishing stages where a smooth, precise cylinder wall finish is essential. Designed for use on cylinders with capacities between 51 and 177mm, this stone set covers applications in cars, vans, trucks, marine and industrial engines. The fine grit gr
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