Set Includes: Qty 2 Hone stones 5" Long 100 Grit (coarse) and Qty 2 Felt Wipers 5" Long Hone stones and wipers clip onto tool racks just like original equipment Hone stones have beveled leading edge and wipers are washable Anodized stone holder that clip onto hone head racks Similar to original part 15510 but these stones are 100 grit - more agressive